Summary

This document contains a set of multiple choice questions covering various aspects of statistics, including different types of variables, sampling methods, and measures of central tendency. It includes a mix of basic and more advanced questions related to statistical concepts and principles.

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Multiple Choice Questions 1. Which of the following is NOT an area of statistics? o A. Descriptive o B. Inferential o C. Categorical o D. Random 2. What type of variable is "distance traveled to school"? o A. Qualitative...

Multiple Choice Questions 1. Which of the following is NOT an area of statistics? o A. Descriptive o B. Inferential o C. Categorical o D. Random 2. What type of variable is "distance traveled to school"? o A. Qualitative o B. Quantitative - Continuous o C. Quantitative - Discrete o D. Ordinal 3. Which sampling method involves every nth element of the population being selected? o A. Simple Random o B. Systematic o C. Stratified o D. Cluster 4. A study focuses on data collected through social media. Which sampling method is being used? o A. Convenience Sampling o B. Purposive Sampling o C. Snowball Sampling o D. Quota Sampling 5. In which level of measurement is temperature in Celsius measured? o A. Nominal o B. Ordinal o C. Interval o D. Ratio 6. What is the main characteristic of a continuous variable? o A. Can only be counted o B. Can be measured o C. Categorical o D. None of the above 7. Which graph is best used to show the relationship between two quantitative variables? o A. Bar Graph o B. Line Graph o C. Scatterplot o D. Histogram 8. Which measure of central tendency is known as the "middlemost" value? o A. Mean o B. Median o C. Mode o D. Range 9. What type of hypothesis assumes no significant relationship between variables? o A. Alternative Hypothesis o B. Null Hypothesis o C. Correlation Hypothesis o D. Prediction Hypothesis 10. What type of reasoning starts from general principles to a specific conclusion? A. Inductive B. Deductive C. Abstract D. None of the above 11. What is the first step in Polya's Four-Step Process for Problem Solving? A. Devise a plan B. Understand the problem C. Look back D. Carry out the plan 12. A manager predicting future sales based on present sales is using: A. Descriptive statistics B. Inferential statistics C. Simple random sampling D. Stratified sampling 13. The sum of the first 100 numbers is: A. 5050 B. 5000 C. 101 D. 2525 14. Which of the following is an example of a qualitative variable? A. Gender B. Height C. Weight D. Age 15. What is the process of gathering first-hand data called? A. Secondary Data Collection B. Primary Data Collection C. Statistical Analysis D. Sampling 16. The error of rejecting a true null hypothesis is called: A. Type I Error B. Type II Error C. Alpha Error D. Both A and C 17. A variable that categorizes or describes an element of the population is: A. Quantitative B. Continuous C. Qualitative D. Discrete 18. What is the most common measure of central tendency? A. Mean B. Median C. Mode D. Range 19. Which type of graph shows the distribution of data across intervals? A. Pie Chart B. Histogram C. Bar Chart D. Scatterplot 20. A conjecture is: A. A proven statement B. A guess based on observation C. A random hypothesis D. A mathematical law 21. If a study involves interviews, what data collection method is being used? A. Experimental B. Interview C. Questionnaire D. Registration 22. A janitor counting the number of furniture items is an example of: A. Descriptive statistics B. Inferential statistics C. Sampling D. None of the above 23. A variable obtained by measuring is: A. Discrete B. Continuous C. Qualitative D. Nominal 24. What is the result when the conjecture is proven false using a single counterexample? A. The conjecture is refined B. The conjecture is rejected C. The conjecture becomes a theory D. The conjecture is accepted 25. Which method of sampling is used when a population is divided into strata? A. Cluster Sampling B. Simple Random Sampling C. Stratified Sampling D. Systematic Sampling 26. A population where each element has an equal chance of being selected is using: A. Simple Random Sampling B. Systematic Sampling C. Convenience Sampling D. Purposive Sampling 27. What is the first step in a mathematical investigation? A. Gather and record data B. Look for patterns C. Explore the investigation D. Make conjectures 28. In a set of data, which value occurs most frequently? A. Mean B. Median C. Mode D. Range 29. Which graph would be most suitable for showing parts of a whole? A. Pie Chart B. Line Graph C. Scatterplot D. Histogram 30. What type of error is made when a false null hypothesis is accepted? A. Type I Error B. Type II Error C. Beta Error D. Both B and C 31. What is the result of multiplying two odd numbers? A. Even number B. Odd number C. Zero D. Prime number 32. Which method is used to ensure the sample represents the population accurately? A. Purposive Sampling B. Convenience Sampling C. Quota Sampling D. Random Sampling 33. The product of 6% and 45,000 is: A. 2700 B. 2400 C. 2300 D. 3000 34. What is the range of the following data set: 12, 25, 34, 40, 15? A. 18 B. 28 C. 30 D. 34 35. How many subsets does a set with 3 elements have? A. 4 B. 6 C. 8 D. 10 Problem-Solving Multiple Choice 36. You are thinking of a number. It is odd, its tens digit is even, and the sum of its digits is 11. What is the number? A. 24 B. 29 C. 47 D. 83 37. A restaurant seats 18 people at a rectangular table, with a maximum of 2 people on each side of each table. How many tables are required? A. 6 B. 4 C. 5 D. 3 38. A class has 25 students. The teacher wants to divide them into groups of 5 students each. How many groups will be formed? A. 4 B. 5 C. 6 D. 7 39. The sum of three consecutive odd integers is 75. What is the largest of these integers? A. 21 B. 23 C. 25 D. 27 40. You have Php 1000 and want to buy a jacket that is originally Php 1,255.98 but is now on sale for 20% off. Do you have enough money to buy it? A. Yes, with some change B. Yes, just enough C. No, you're short by Php 4.78 D. No, you're short by Php 10.98 41. A square is inscribed in a circle with a radius of 10 cm. What is the area of the shaded region (outside the square, inside the circle)? A. 100 cm² B. 86 cm² C. 314 cm² D. 50 cm² 42. The sum of the first 10 numbers is: A. 45 B. 55 C. 60 D. 75 43. What is the 20th Fibonacci number if F1=1F_1 = 1F1=1? A. 610 B. 987 C. 10946 D. 6765 44. Two siblings decide to buy a car for Php 100,000. They invest part of their money at 6% interest and the rest at 7.5%, and earn a total interest of Php 6,825. How much did they invest at 6%? A. Php 45,000 B. Php 50,000 C. Php 55,000 D. Php 60,000 45. A class is split into groups of 5. If there are 40 students, how many groups will be formed? A. 5 B. 8 C. 10 D. 6 46. What is the product of the first two prime numbers? A. 2 B. 6 C. 10 D. 15 47. If a person earns Php 50,000 and receives a 10% raise, what will their new salary be? A. Php 55,000 B. Php 52,500 C. Php 60,000 D. Php 45,000 48. A Fibonacci sequence starts with 1 and 1. What is the 10th number in the sequence? A. 34 B. 55 C. 89 D. 144 49. How many squares are there in a 4x4 grid? A. 16 B. 30 C. 32 D. 40 50. If a train travels 80 km in 1 hour, how far will it travel in 5 hours? A. 400 km B. 500 km C. 320 km D. 480 km ANSWER KEY, the answers goes respectively from 1 to 50 C. Categorical B. Quantitative - Continuous B. Systematic A. Convenience Sampling C. Interval B. Can be measured C. Scatterplot B. Median B. Null Hypothesis B. Deductive B. Understand the problem B. Inferential statistics A. 5050 A. Gender B. Primary Data Collection D. Both A and C C. Qualitative A. Mean B. Histogram B. A guess based on observation B. Interview A. Descriptive statistics B. Continuous B. The conjecture is rejected C. Stratified Sampling A. Simple Random Sampling C. Explore the investigation C. Mode A. Pie Chart D. Both B and C B. Odd number D. Random Sampling A. 2700 B. 28 C. 8 D. 83 B. 4 B. 5 D. 27 C. No, you're short by Php 4.78 B. 86 cm² B. 55 D. 6765 A. Php 45,000 B. 8 B. 6 A. Php 55,000 B. 55 C. 32 A. 400 km

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