PSY 112
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Questions and Answers

What is the highest number of hurricanes recorded in a single month from the provided data?

  • 280
  • 344
  • 459 (correct)
  • 101
  • Which month recorded the least number of hurricanes according to the given data?

  • October
  • May (correct)
  • June
  • November
  • How many hurricanes were recorded in August?

  • 79
  • 101
  • 344 (correct)
  • 459
  • What is the total number of hurricanes from June to October?

    <p>865</p> Signup and view all the answers

    Which option correctly lists the months in order from lowest to highest number of hurricanes?

    <p>May, November, June, July, August, October, September</p> Signup and view all the answers

    Which type of quantitative data can only take specific, countable values?

    <p>Discrete data</p> Signup and view all the answers

    What characteristic distinguishes ratio data from interval data?

    <p>The presence of meaningful zero</p> Signup and view all the answers

    Which of the following is an example of ordinal data?

    <p>Military ranks</p> Signup and view all the answers

    In which level of data measurement do the distances between values have meaning, but zero does not imply lack of the phenomenon?

    <p>Interval</p> Signup and view all the answers

    Which of the following describes nominal data?

    <p>Data used for labeling or categorizing</p> Signup and view all the answers

    Which example best represents continuous data?

    <p>Height of a group of people</p> Signup and view all the answers

    Which level of measurement is characterized by the absence of a true zero point?

    <p>Interval</p> Signup and view all the answers

    What does a cumulative frequency graph visually represent?

    <p>The number of values below a certain upper-class boundary</p> Signup and view all the answers

    Which type of graph is used to compare different categories of data using bars?

    <p>Bar graph</p> Signup and view all the answers

    What is the purpose of a pie graph?

    <p>To show relationships between categories</p> Signup and view all the answers

    In order to find out how many record high temperatures are less than 114.5°, what steps should be taken on a cumulative frequency graph?

    <p>Draw a vertical line from 114.5° to find the corresponding y-axis value</p> Signup and view all the answers

    Which of the following describes a histogram?

    <p>A type of bar graph that represents frequencies of intervals</p> Signup and view all the answers

    What information is necessary to construct a bar graph?

    <p>The frequency for each category and its corresponding labels</p> Signup and view all the answers

    When constructing a cumulative frequency graph, what is plotted on the y-axis?

    <p>The cumulative frequencies</p> Signup and view all the answers

    What is a major difference between pie graphs and bar graphs?

    <p>Pie graphs show parts of a whole whereas bar graphs compare different categories</p> Signup and view all the answers

    What type of data is best represented with a time series graph?

    <p>Data over a specific period</p> Signup and view all the answers

    Which of the following is NOT typically used to represent categories of frequency data?

    <p>Time series graph</p> Signup and view all the answers

    What is the frequency for the class interval 85 – 92?

    <p>5</p> Signup and view all the answers

    Which class interval has the highest frequency?

    <p>77 – 84</p> Signup and view all the answers

    How many total raw scores are tallied in the frequency distribution?

    <p>50</p> Signup and view all the answers

    For which age group are people more prone to have mental health issues according to the observations?

    <p>Ages approaching 60 years old and above</p> Signup and view all the answers

    What is the combined frequency for the class intervals 61 – 68 and 53 – 60?

    <p>17</p> Signup and view all the answers

    What is the importance of tallying in frequency distribution?

    <p>It helps ensure that the total number of raw scores equals the total frequency.</p> Signup and view all the answers

    Which graphical representation can aid in the comprehension of statistical data?

    <p>Bar Graphs</p> Signup and view all the answers

    What common mistake do people often make when tallying data?

    <p>Overlooking some data</p> Signup and view all the answers

    Why are graphs considered beneficial for viewers with little statistical knowledge?

    <p>They illustrate data pictorially, making it easier to understand.</p> Signup and view all the answers

    What is one major disadvantage of mailed questionnaire surveys?

    <p>Low number of responses</p> Signup and view all the answers

    Which of the following is a drawback of personal interview surveys?

    <p>Interviewer bias can influence selection</p> Signup and view all the answers

    Which type of frequency distribution is used for data placed in specific categories?

    <p>Categorical frequency distribution</p> Signup and view all the answers

    How are score values typically arranged in a frequency distribution table?

    <p>In ascending rank order</p> Signup and view all the answers

    What is a significant limitation of mailed questionnaire surveys regarding the understanding of questions?

    <p>Some people may have difficulty reading or understanding</p> Signup and view all the answers

    What must researchers do after gathering data for a study?

    <p>Organize the data meaningfully</p> Signup and view all the answers

    Which method is the most convenient for organizing raw data?

    <p>Frequency distribution</p> Signup and view all the answers

    What level of data would use a categorical frequency distribution?

    <p>Nominal or ordinal level data</p> Signup and view all the answers

    Which of the following is a characteristic of grouped frequency distribution?

    <p>Breaks continuous data into ranges or classes</p> Signup and view all the answers

    Signup and view all the answers

    Study Notes

    Course Information

    • This document is a self-instructional manual for self-directed learning (SDL)
    • The manual is for students who are officially enrolled in the course
    • This is a draft version only and not for reproduction or distribution outside of its intended use
    • Revisions of the manual are expected
    • The manual is not for reproduction or commercial use

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