5_6280383870663659916.pdf

Week 1 1. **What distinguishes a research degree from other degrees?** a) Emphasis on acquiring general knowledge. b) Focus on developing presentation skills. c) Specialized knowledge in a specific field. d) Completion of coursework and examinations. **Accepted Answer:** c) Specialized kn...

Week 1 1. **What distinguishes a research degree from other degrees?** a) Emphasis on acquiring general knowledge. b) Focus on developing presentation skills. c) Specialized knowledge in a specific field. d) Completion of coursework and examinations. **Accepted Answer:** c) Specialized knowledge in a specific field. 2. **What distinguishes a textbook from a research paper?** a) Textbooks provide accumulated knowledge, while research papers explore new frontiers. b) Textbooks are purely theoretical while research papers are only practical. c) Textbooks offer only historical perspectives while research papers discuss future possibilities. d) Textbooks offer predictable outcomes, while research papers are unpredictable. **Accepted Answer:** a) Textbooks provide accumulated knowledge, while research papers explore new frontiers. 3. **What is an important step in the early stages of research that involves trial and error?** a) Conducting a literature survey to identify interesting topics. b) Choosing a random topic based on popularity. c) Skipping preliminary research and starting experiments. d) Contributing to the chosen area through research. **Accepted Answer:** a) Conducting a literature survey to identify interesting topics. 4. **What is the relationship between incremental research and path-breaking research?** a) Incremental research leads to path-breaking research. b) Path-breaking research happens randomly without any prior incremental work. c) Incremental research and path-breaking research are unrelated. d) Path-breaking research builds on theoretical assumptions alone. **Accepted Answer:** a) Incremental research leads to path-breaking research. 5. **What are the important factors to consider when selecting a research area and guide/advisor?** a) The appeal and interest in the area of study and the impact it has on the scientific community. b) The convenience of the location of the research lab. c) The flexibility in the research schedule. d) The number of students under the advisor.  **Accepted Answer:** a) The appeal and interest in the area of study and the impact it has on the scientific community. 6. **What is the role of an advisor in research?** a) To provide day-to-day instructions and guidance on what to do. b) To provide guidance when the student encounters difficulties or loses direction. c) To handle all the research work on behalf of the student. d) To ensure the research adheres strictly to the initial plan. **Accepted Answer:** b) To provide guidance when the student encounters difficulties or loses direction. 7. **What are the important characteristics for students to fulfill their role as researchers?** a) Super intelligence and adventurous mindset. b) No work ethic and perseverance. c) Spark of interest and spirit of learning. d) Strong communication skills. **Accepted Answer:** c) Spark of interest and spirit of learning. 8. **What attitude should a student maintain when pursuing research?** a) A sense of urgency and impatience to achieve immediate results. b) A steady and incremental approach while keeping the long-term goal in mind. c) An obsessive-compulsive disorder to overcome any obstacles. d) A tendency to deviate fully from long-term objectives. **Accepted Answer:** b) A steady and incremental approach while keeping the long-term goal in mind. 9. **What are some motivations for conducting research?** a) Improving efficiency and reducing manual work. b) Promoting betterment of society and the world. c) Experiencing joy, passion, and appreciation for scientific endeavors. d) All of the above. **Accepted Answer:** d) All of the above. 10. **Why is it important to have a clear understanding of the purpose of research?** a) It helps determine the degree of art involved in the research. b) It enables individuals to answer the question of why they are conducting research. c) It ensures survival and longevity in the field of research. d) All of the above. **Accepted Answer:** d) All of the above. Week 2 1. **Which of the following is a recommended criterion to pick a reference article for inclusion in a publication?** a) The article is authored by likely reviewers b) The article is a prior work directly relating to the topic c) The article is authored by someone well known in that topic d) The article appeared in a well known journal **Accepted Answer:** b) The article is a prior work directly relating to the topic 2. **Which of the following indices is considered as a measure of the impact of a particular article in its area of specialization?** a) Number of likes b) Number of views c) Number of downloads d) Number of articles referring to it **Accepted Answer:** d) Number of articles referring to it 3. **Which of the following bibliographic details is necessary to retrieve all other details of a digitally published article?** a) ISSN b) ISBN c) DOI d) URL **Accepted Answer:** c) DOI 4. **Literature review is an activity that typically needs to be carried out** a) Only at the start of the research b) Only at the end of the research c) Only while publishing a paper d) Throughout the research process **Accepted Answer:** d) Throughout the research process 5. **Compared to peer-reviewed journals, websites are** a) More likely to be reliable b) Equally reliable c) Less likely to be reliable d) Completely incorrect **Accepted Answer:** c) Less likely to be reliable 6. **Which of the bibliographic fields are generally allowed for use without subscription by publishers?** a) Title, Authors, Volume, Issue, Page number, and DOI b) Title, Volume, Issue, Page number, Abstract, and Full text c) Title, Authors, Issue, Page number, Abstract, and References d) Title, Authors, Volume, Issue, Page number, and Abstract  **Accepted Answer:** a) Title, Authors, Volume, Issue, Page number, and DOI 7. **Which of the following is the best way to refer to the internet location of a published article?** a) URL of the website of publisher b) URL of the author of the article c) URL of the journal d) DOI link of the article **Accepted Answer:** d) DOI link of the article 8. **Which of the following is a sufficient piece of information to retrieve the rest of the bibliographic details of an article?** a) DOI link b) Author and Journal c) Journal, Volume, and Year d) Author and Year **Accepted Answer:** a) DOI link 9. **Consider you are authoring a scientific document. One of the articles you are referring to has been retracted just before your article went to press and is thus not available any longer. You have come to know of it before uploading the final version of the manuscript for publication. What is the most recommended way to address the missing reference?** a) Add a note in the reference that it has been retracted b) Remove the retracted reference and modify the text and citations accordingly c) Ignore the retraction and leave it to the publisher to address d) Replace the reference with another article of the same author **Accepted Answer:** b) Remove the retracted reference and modify the text and citations accordingly 10. **You have received an invitation to submit an article for publication in a journal. Which of the following options best describes the possibility that the journal is fake?** a) The journal has page charges for the articles it publishes b) The journal does not have an editorial board or review process c) The name of the journal is similar to another reputed journal in the same domain d) The articles of the journal are available for free on the internet **Accepted Answer:** b) The journal does not have an editorial board or review process Week 3 1. **Which of the following is/are example(s) of exploratory data analysis?** a) Testing that the average salary in an age group is 𝑆₀ (specified value) b) Searching for trends or outliers in a data set  c) Histogram analysis of runs scored by a player in cricket d) Analyzing the relationship between variables using linear regression **Partially Correct.** **Accepted Answers:** b) Searching for trends or outliers in a data set c) Histogram analysis of runs scored by a player in cricket d) Analyzing the relationship between variables using linear regression 2. **Identify the correct statement(s) below:** a) Any deterministic signal can be accurately predicted given sufficient history. b) A stochastic signal always keeps randomly alternating between positive and negative values. c) Measurements of steps by the best smartphone of an active individual are deterministic. d) Probability that a batsman, in cricket, will get out on any ball is 0.5. **Yes, the answer is correct.** **Accepted Answer:** a) Any deterministic signal can be accurately predicted given sufficient history. 3. **Which of the following functions is/are linear in time 𝑡?** a) A sinusoidal signal 𝑦(𝑡)=𝐴sin(ω₀𝑡) b) The signal 𝑥(𝑡)=𝑡𝑒𝑥𝑝(𝑐₀𝑡)+β when 𝑐₀=0 c) Distance travelled by a car travelling with uniform velocity between 𝑡=𝑡₁ and 𝑡=𝑡₂ d) The instantaneous frequency of a linear chirp 𝑥(𝑡)=cos(2π(α𝑡+𝑓₀)𝑡), where α, 𝑓₀ are positive constants **Partially Correct.** **Accepted Answers:** b) The signal 𝑥(𝑡)=𝑡𝑒𝑥𝑝(𝑐₀𝑡)+β when 𝑐₀=0 c) Distance travelled by a car travelling with uniform velocity between 𝑡=𝑡₁ and 𝑡=𝑡₂ d) The instantaneous frequency of a linear chirp 𝑥(𝑡)=cos(2π(α𝑡+𝑓₀)𝑡), where α, 𝑓₀ are positive constants. 4. **An estimator is said to be most efficient when** a) The parameters can be estimated accurately with the smallest sample size. b) It estimates parameters with the lowest variability/highest precision. c) It is able to handle at least 10% of missing data. d) Among all the estimators (of a parameter), it estimates with the lowest standard error. **Partially Correct.** **Accepted Answers:** b) It estimates parameters with the lowest variability/highest precision. d) Among all the estimators (of a parameter), it estimates with the lowest standard error. 5. **Identify the correct statement(s) among the following:** a) Bias in an estimate implies it is different from the true value by exactly a constant. b) A statistic and estimator are both mathematical functions of the observed data. c) Precision and accuracy of an estimator are very closely related to each other. d) Two variables with identical correlation in two different data sets have the same linear model. **Yes, the answer is correct.** **Accepted Answer:** b) A statistic and estimator are both mathematical functions of the observed data. 6. **Identify the correct statement among the following:** a) Data visualization is useful because it gives us an idea of any anomalies and trends in the data. b) Robust methods of estimation are meant to handle outliers in the data set. c) Errors in estimates of the order 10⁻³ can always be treated as insignificant. d) Input excitation can greatly influence the ability to estimate parameters uniquely. **Partially Correct.** **Accepted Answers:** a) Data visualization is useful because it gives us an idea of any anomalies and trends in the data. b) Robust methods of estimation are meant to handle outliers in the data set. d) Input excitation can greatly influence the ability to estimate parameters uniquely. 7. **Which of the following is true concerning a parameter estimate?** a) It can never equal the true value even if the data is identical to the ensemble. b) When averaged across five hundred data sets, the error in estimate is five hundred times lower than from a single data set. c) Increase in sample size will always increase its value. d) The most efficient estimate is not necessarily the most accurate. **Yes, the answer is correct.** **Accepted Answer:** d) The most efficient estimate is not necessarily the most accurate. 8. **Which of the following is true w.r.t. data-driven modelling?** a) Overfitting generally implies that more time has been spent in fitting the model. b) Models that are underfit are less complex than those that are overfit. c) Overfit models generally perform poorly on fresh data sets.  d) Overfitting occurs whenever the sample size used is more than necessary to obtain a good estimate. **Partially Correct.** **Accepted Answers:** b) Models that are underfit are less complex than those that are overfit. c) Overfit models generally perform poorly on fresh data sets. 9. **While working with acids in laboratories:** a) Acid storage must be done with secondary containment. b) Acids and bases must be separated. c) Acid wastes must be washed down the sink. d) Acid containing bottles must be clearly labelled. **Yes, the answer is correct.** **Accepted Answers:** a) Acid storage must be done with secondary containment. b) Acids and bases must be separated. d) Acid containing bottles must be clearly labelled. 10. **Gas bottles in laboratories should be:** a) Transported by rolling on the floor. b) Secured with a chain that is high enough to prevent toppling. c) Stored with regulators removed. d) Stored with the regulators fixed on the bottles. **No, the answer is incorrect.** **Accepted Answers:** b) Secured with a chain that is high enough to prevent toppling. c) Stored with regulators removed. --- WEEk4 Here is the serially numbered version of your assignment questions with options labeled as a, b, c, d: --- **Assignment submitted on 2024-08-09, 13:54 IST** *More than one option may be right. Marks are given only if either all or some of the correct options are selected and none of the incorrect options are selected.* 1. **An outline of a talk helps the audience:** a) Understand your educational background b) Note the main points you will be covering in the talk c) Decide the sections of the talk they are interested in d) Understand the importance of your professional accomplishments **Partially Correct.**  **Accepted Answers:** b) Note the main points you will be covering in the talk c) Decide the sections of the talk they are interested in 2. **The features of a journal paper are:** a) It changes based on the audience b) It is a one-time activity with respect to a given set of data c) It is peer reviewed d) Generally interactive with the reader **Yes, the answer is correct.** **Accepted Answers:** b) It is a one-time activity with respect to a given set of data c) It is peer reviewed 3. **The features of a technical presentation are:** a) It changes based on the audience b) It is a one-time activity with respect to a given set of data c) It is peer reviewed d) Generally interactive with the audience **Partially Correct.** **Accepted Answers:** a) It changes based on the audience d) Generally interactive with the audience 4. **Knowing who your audience is, is important in a technical presentation because:** a) Your audience may have popular people b) You will be able to gauge their background knowledge c) You can tailor your talk accordingly d) You can understand why they are watching your talk **Partially Correct.** **Accepted Answers:** b) You will be able to gauge their background knowledge c) You can tailor your talk accordingly d) You can understand why they are watching your talk 5. **Illustration and data in a presentation:** a) Must completely fill the slide from end to end b) Must be presented with sufficient open spaces in between c) Must typically help the audience focus on a specific idea in each slide d) Must always be in colour **Partially Correct.** **Accepted Answers:** b) Must be presented with sufficient open spaces in between c) Must typically help the audience focus on a specific idea in each slide 6. **Steps involved in publishing a journal paper typically include:**  a) Writing the paper as per journal constraints b) Submitting the paper to a journal which will then send it to reviewers for their comments c) Responding to the comments of the reviewers d) Publication of the paper as long as it is less than 7 pages long **No, the answer is incorrect.** **Accepted Answers:** a) Writing the paper as per journal constraints b) Submitting the paper to a journal which will then send it to reviewers for their comments c) Responding to the comments of the reviewers 7. **Any given journal will typically accept for review:** a) Papers in any area of research b) Papers in any area of research as long as it is new c) Papers only from a relatively narrow area of research d) Papers that have been peer-reviewed and published in other journals since this will help save time **Yes, the answer is correct.** **Accepted Answer:** c) Papers only from a relatively narrow area of research 8. **A technical paper and a science fiction novel:** a) Have the same style of presentation b) Have very different styles of presentation c) Both aim to surprise the reader in the end d) Both aim to make every reader read till the end in a thrilling manner **Yes, the answer is correct.** **Accepted Answer:** b) Have very different styles of presentation 9. **Most students typically find their initial technical papers difficult to write because:** a) They are accustomed to poor examples of technical writing b) They have high expectations of the first draft c) They often do not understand why they are being asked to make specific changes to their document d) They do not understand their work **Partially Correct.** **Accepted Answers:** a) They are accustomed to poor examples of technical writing b) They have high expectations of the first draft c) They often do not understand why they are being asked to make specific changes to their document 10. **The purpose of technical writing includes:** a) Informing the reader  b) Persuading the reader to a certain point of view c) To convey the ideas efficiently d) Being sarcastic at different places in the technical document **Partially Correct.** **Accepted Answers:** a) Informing the reader b) Persuading the reader to a certain point of view c) To convey the ideas efficiently --- WEEK5 --- 1. **A creative person:** a) Accurately repeats work done by others b) Will likely find a new approach to solve a problem that others may not have considered c) Usually does not like to conform to pre-existing notions of what is possible d) Can be in almost any field **Partially Correct.** **Accepted Answers:** b) Will likely find a new approach to solve a problem that others may not have considered c) Usually does not like to conform to pre-existing notions of what is possible d) Can be in almost any field 2. **According to the Nobel Laureate, Herbert Simon, it takes:** a) 10,000 hours of effort to be an expert in an area b) Approximately 4-5 years of working 8 hours a day in an area, to become an expert in the area c) A Bachelor’s degree, to become an expert in an area d) Regular reading of newspapers to become an expert in a scientific area **No, the answer is incorrect.** **Accepted Answers:** a) 10,000 hours of effort to be an expert in an area b) Approximately 4-5 years of working 8 hours a day in an area, to become an expert in the area 3. **According to Edward de Bono, the most complex activity is:** a) Teaching b) Reading c) To simplify d) To complicate things further **Yes, the answer is correct.** **Accepted Answer:**  c) To simplify 4. **Traits of a creative Engineer include:** a) High motivation b) Low self-esteem c) Self-confidence d) Knowledge of fundamentals **Partially Correct.** **Accepted Answers:** a) High motivation c) Self-confidence d) Knowledge of fundamentals 5. **With respect to being creative in research:** a) Young researchers are generally more creative since they have less prior baggage of work to confine themselves to b) Researchers who have spent 20 years in a field are generally less creative due to familiarity with the field c) Ignorance of basic education enhances creativity in formal research d) Researchers who have spent 20 years in a field are generally more creative due to familiarity with the field **Partially Correct.** **Accepted Answers:** a) Young researchers are generally more creative since they have less prior baggage of work to confine themselves to b) Researchers who have spent 20 years in a field are generally less creative due to familiarity with the field 6. **According to flow theory, a person performs best when:** a) Challenge is much lower than the skill b) Challenge is equal to the skill c) Challenge is much higher than the skill d) Challenge is unrelated to the skill **Yes, the answer is correct.** **Accepted Answer:** b) Challenge is equal to the skill 7. **Some examples of creativity include:** a) Taking a problem/nuisance and converting it into a useful product b) Taking a poorly performing product and converting it into a new product line that takes advantage of its poor performance to do something not possible earlier c) Products that deviate from conventional wisdom d) Copying products that already exist, since the market for such products is established **Yes, the answer is correct.** **Accepted Answers:**  a) Taking a problem/nuisance and converting it into a useful product b) Taking a poorly performing product and converting it into a new product line that takes advantage of its poor performance to do something not possible earlier c) Products that deviate from conventional wisdom 8. **While publishing a paper it is:** a) Important to be sure that the experiments were conducted correctly b) Important to ensure that references are properly cited c) Important to ensure that only people involved in the research work are acknowledged as authors d) Important to have an agreement with a colleague to include his/her name in your publications, and your name in their publications, even if not directly involved in the work, so that the number of publications increase for both of you **Partially Correct.** **Accepted Answers:** a) Important to be sure that the experiments were conducted correctly b) Important to ensure that references are properly cited c) Important to ensure that only people involved in the research work are acknowledged as authors 9. **Unethical behaviour in scientific research includes:** a) Copying from other papers b) Directly changing the data if it is not as expected c) Listing all the authors while writing a paper d) Accusing other researchers so that you become prominent **Yes, the answer is correct.** **Accepted Answers:** a) Copying from other papers b) Directly changing the data if it is not as expected d) Accusing other researchers so that you become prominent 10. **Some of the reasons for researchers adopting unethical practices include:** a) Pressure to become famous b) Intention to have a quick career growth c) Pressure to get funding d) The need to teach well **Yes, the answer is correct.** **Accepted Answers:** a) Pressure to become famous b) Intention to have a quick career growth c) Pressure to get funding --- week 6 Here’s the serially numbered version of your Week 6 Assignment 6 with options labeled as a, b, c, d: --- **Week 6: Assignment 6** *The due date for submitting this assignment has passed.* *Due on 2024-09-04, 23:59 IST.* *Assignment submitted on 2024-08-25, 09:36 IST* *More than one option may be right. Partial marks are awarded if only some of the correct options are selected and none of the wrong options are selected.* --- 1. **Which of the following is true?** Statement 1: A patent is protected for 20 years from the date of application. Statement 2: Infringement means violation of an intellectual property right. a) Statement 1 is true, Statement 2 is false. b) Statement 1 is false, Statement 2 is true. c) Both Statement 1 and Statement 2 are true. d) Both Statement 1 and Statement 2 are false. **Yes, the answer is correct.** **Accepted Answer:** c) Both Statement 1 and Statement 2 are true. 2. **Which of the following is true?** Statement 1: Limited life intellectual property can go to the public domain. Statement 2: Intellectual property is the same as real property. a) Statement 1 is true, Statement 2 is false. b) Statement 1 is false, Statement 2 is true. c) Both Statement 1 and Statement 2 are true. d) Both Statement 1 and Statement 2 are false. **Yes, the answer is correct.** **Accepted Answer:** a) Statement 1 is true, Statement 2 is false. 3. **Which of the following is true?** Statement 1: Intellectual property rights are a non-exclusive set of rights. Statement 2: Intellectual property rights are rights that protect products of human creative labor. a) Statement 1 is true, Statement 2 is false. b) Statement 1 is false, Statement 2 is true. c) Both Statement 1 and Statement 2 are true. d) Both Statement 1 and Statement 2 are false. **Yes, the answer is correct.**  **Accepted Answer:** b) Statement 1 is false, Statement 2 is true. 4. **Which of the following is true?** Statement 1: A trademark is granted for a period of 15 years and can be renewed thereafter. Statement 2: Intellectual property rights first came up during the green revolution. a) Statement 1 is true, Statement 2 is false. b) Statement 1 is false, Statement 2 is true. c) Both Statement 1 and Statement 2 are true. d) Both Statement 1 and Statement 2 are false. **No, the answer is incorrect.** **Accepted Answer:** d) Both Statement 1 and Statement 2 are false. 5. **Which of the following are the two types of property?** a) Public b) Government c) Private d) Lawful **Yes, the answer is correct.** **Accepted Answers:** a) Public c) Private 6. **What is the duration of copyright in India?** a) Life of author + 20 Years b) Life of author + 40 Years c) Life of author + 60 Years d) Life of author + 80 Years **Yes, the answer is correct.** **Accepted Answer:** c) Life of author + 60 Years 7. **Which of the intellectual property rights helps in identifying the company? ** a) Copyright b) Geographical Indication c) Patent d) Trademark **Yes, the answer is correct.** **Accepted Answer:** d) Trademark 8. **Which of the following is an example of real property?** a) Invention  b) House c) Trademark d) Car **Partially Correct.** **Accepted Answers:** b) House d) Car 9. **Which of the following are common characteristics of intellectual property rights?** a) It is protectable by law b) It is intangible in nature c) It cannot be easily replicated d) It has commercial value. **Partially Correct.** **Accepted Answers:** a) It is protectable by law b) It is intangible in nature d) It has commercial value. 10. **A book written by Prof. Feroz can be protected by which of the following IP rights?** a) Trademark b) Patent c) Copyright d) Design **Yes, the answer is correct.** **Accepted Answer:** c) Copyright --- WEEK 7 --- 1. **100 numbers forming an arithmetic progression with starting value a=5 and difference =3 are taken. The mean value of this collection of 100 numbers is ________.** **Yes, the answer is correct.** **Accepted Answer:** 153.5 --- 2. **Identify the TRUE statement(s) from the following:** a) In a collection of positive numbers, the arithmetic mean can become negative. b) Two collections containing different sets of numbers may have the same mean but different standard deviations. c) Standard deviation of a collection of negative numbers is negative. d) When a fictitious population comprises exactly one number, say 10, the standard deviation of this population is undefined. **No, the answer is incorrect.** **Accepted Answer:** b) Two collections containing different sets of numbers may have the same mean but different standard deviations. --- 3. **Consider the sample consisting of the following nine results: 2.3, 7.2, 3.7, 4.6, 5.0, 7.0, 3.7, 4.9, 4.2. The second quartile of this data collection will be equal to** a) the mean b) the median c) twice the mean d) 0.5 **Yes, the answer is correct.** **Accepted Answer:** b) the median --- 4. **The permitted values of a discrete distribution of numbers are 1, 2, 3, 4, and 5. Their associated probability values are given below:** p(1) = 0.321, p(2) = 0.421, p(3) = 0.209, p(4) = 0.049 **Find the mean and variance of this probability distribution.** a) **Mean:** **Yes, the answer is correct.** **Accepted Answer:** 1.98 - 1.99 b) **Variance:** **No, the answer is incorrect.** **Accepted Answer:** 0.72 - 0.73 --- 5. **Identify the TRUE statement(s) from the following:** a) ∫∞0𝑓(𝑥)𝑑𝑥=1 b) ∫∞0(𝑥−𝜇)²𝑓(𝑥)𝑑𝑥=𝜎², where 𝜇 is mean and 𝜎² is variance c) ∫𝑎𝑎𝑓(𝑥)𝑑𝑥=0, where 𝑎 is a constant > 0 d) ∫∞0(𝑥−𝜇)𝑓(𝑥)𝑑𝑥=0  **Partially Correct.** **Accepted Answers:** a) ∫∞0𝑓(𝑥)𝑑𝑥=1 b) ∫∞0(𝑥−𝜇)²𝑓(𝑥)𝑑𝑥=𝜎² c) ∫𝑎𝑎𝑓(𝑥)𝑑𝑥=0 d) ∫∞0(𝑥−𝜇)𝑓(𝑥)𝑑𝑥=0 --- 6. **The value of 𝐏 such that 𝑓(𝑥) is a legitimate probability distribution function is ________** **No, the answer is incorrect.** **Accepted Answer:** 0.375 --- 7. **The numerical values of mean and variance of the above probability distribution (given in problem 7 after finding the numerical value of P) are** a) **Mean = ________** **Yes, the answer is correct.** **Accepted Answer:** 1.5 b) **Variance = ________** **No, the answer is incorrect.** **Accepted Answer:** 0.15 --- 8. **If the probability distribution is normal with mean 0 and variance 1, and the probability of finding the standard normal variable Z between ± 0.76 is 0.553, what is the probability P(Z < -0.76)? Round off to 3 decimal places.** **Yes, the answer is correct.** **Accepted Answer:** 0.224 --- 9. **The population standard deviation of measurements of an engine part is 0.50 mm. What minimum sample size is required if the sample standard deviation must be 0.125 mm?** **Yes, the answer is correct.** **Accepted Answer:** 16 --- 10. **Pick the False statement(s) from the following:** a) If the parent distribution is normal, the sampling distribution is not normal if sample size is < 30 b) If the parent distribution is normal, the sampling distribution is not normal if sample size is > 30 c) If the parent distribution is not normal, the sampling distribution is normal if sample size is < 30 d) If the parent distribution is not normal, the sampling distribution is also not normal irrespective of the sample size **Yes, the answer is correct.** **Accepted Answers:** a) If the parent distribution is normal, the sampling distribution is not normal if sample size is < 30 b) If the parent distribution is normal, the sampling distribution is not normal if sample size is > 30 c) If the parent distribution is not normal, the sampling distribution is normal if sample size is < 30 d) If the parent distribution is not normal, the sampling distribution is also not normal irrespective of the sample size ---