This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A variable (or response variable) is A) A characteristic of interest about each individual element of a population or sample. B) A characteristic that is irrelevant to the collection of the data. C) A characteristic that changes when the data is collected. D) A characteristic or trait that will be ignored in a sample population. Show Answer Correct Answer: A) A characteristic of interest about each individual element of a population or sample. 2. What is the value of x in the set \{40, 70, x, 30\} if the mean and the median of the set are equal? A) 40. B) 50. C) 60. D) 70. Show Answer Correct Answer: C) 60. 3. The Math teacher could put the names of all the students in a box, mix the names without looking.This describes what kind of sampling? A) Random sample. B) Cluster sample. C) Stratified random sample. D) Systematic sample. Show Answer Correct Answer: A) Random sample. 4. Which strategy is used for discussing the lesson? A) Independent study. B) Discussion and dialogue. C) Group work. D) Direct instruction. Show Answer Correct Answer: B) Discussion and dialogue. 5. Variable whose values can be expressed numerically are called A) Quantitative variables. B) Qualitative variables. C) Absolute variables. D) Continuous variables. Show Answer Correct Answer: A) Quantitative variables. 6. Which of the following is a method of gathering statistical data? A) Observing the outcomes of events. B) Action Research. C) Case study. D) Sampling. Show Answer Correct Answer: A) Observing the outcomes of events. 7. Definition:As one variable increases, the other decreases. A) No Association. B) Negative Association. C) Nonlinear Association. D) Clustering. Show Answer Correct Answer: B) Negative Association. 8. On the average an experienced person does 7 units of work while a fresh one work 5 units of work daily but the employer has to maintain an output of atleast 35 units of work per day. The situation can be expressed as: A) 7x + 5y < 35. B) 7x + 5y < 35. C) 7x + 5y > 35. D) 7x + 5y > 35. Show Answer Correct Answer: C) 7x + 5y > 35. 9. Who is the instructor for the Business Mathematics and Statistics course? A) Dr. Zaheer Fikri. B) Dr. Ahmed Khan. C) Dr. John Smith. D) Dr. Sarah Ali. Show Answer Correct Answer: A) Dr. Zaheer Fikri. 10. What is a characteristic of a sample? A) Parameter. B) Statistic. C) Categorical variable. D) Numerical variable. Show Answer Correct Answer: B) Statistic. 11. Standard deviation of first 50 natural numbers A) 45.43. B) 14.43. C) 16.43. D) 20.43. Show Answer Correct Answer: B) 14.43. 12. Suppose a survey of 584 women in the U.S. found that more than 65% are the primary investor in their household. Choose the best inference. A) There is an association between U.S. women and being the primary investor in their household. B) There is an association between the 584 women and being the primary investor in their household. C) 65% of women in the sample are the primary investor in their household. D) 584 women were surveyed. Show Answer Correct Answer: A) There is an association between U.S. women and being the primary investor in their household. 13. Which of the following best describes the union of two events in probability? A) The event that both occur. B) The event that at least one occurs. C) The event that neither occurs. D) The event that only one occurs. Show Answer Correct Answer: B) The event that at least one occurs. 14. One of the given is not a type of Classification A) Qualitative. B) Quantitative. C) Geographical. D) Analytical. Show Answer Correct Answer: D) Analytical. 15. What is the formula for calculating the median of a set of numbers? A) Arrange the numbers in ascending order and find the middle value. B) Add all the numbers in the set and divide by the total count. C) Multiply the largest and smallest numbers in the set. D) Find the average of all the numbers in the set. Show Answer Correct Answer: A) Arrange the numbers in ascending order and find the middle value. 16. It is also known as registration. Data are collected for each and every element/unit of the population. A) Survey. B) Biography. C) Census. D) Interview. Show Answer Correct Answer: C) Census. 17. Number of women among 10 newly hired teachers is an example of what type of random variable? A) Continuous random variable. B) Discrete random variable. C) Random variable. D) None of the above. Show Answer Correct Answer: B) Discrete random variable. 18. What is correlation analysis used for? A) To manage employee performance. B) To design new products. C) To calculate payroll. D) To determine the relationship between two variables. Show Answer Correct Answer: D) To determine the relationship between two variables. 19. Test for the strength of the association between two categorical variables: A) ANOVA. B) Chi square. C) Independent t test. D) Pearson correlation. Show Answer Correct Answer: B) Chi square. 20. What is the range of a set of numbers? A) The range of a set of numbers is the sum of all the numbers in the set. B) The range of a set of numbers is the average of all the numbers in the set. C) The range of a set of numbers is the product of all the numbers in the set. D) The range of a set of numbers is the difference between the largest and smallest numbers in the set. Show Answer Correct Answer: D) The range of a set of numbers is the difference between the largest and smallest numbers in the set. 21. Which among the statements is not an example of statistical question? A) Who is my favorite Korean Drama star?. B) What is the favorite Korean Drama of the grade 7 students?. C) What is the typical age of the grade 7 Mathematics teachers?. D) How many brothers and sisters does my classmates have?. Show Answer Correct Answer: A) Who is my favorite Korean Drama star?. 22. One of the application that concerns about Human population, to see the status of birth and death rate A) Education. B) Entertainment. C) Political. D) Demography. Show Answer Correct Answer: D) Demography. 23. The third proportional to 16 and 64 A) 256. B) 128. C) 96. D) None of these. Show Answer Correct Answer: B) 128. 24. A type of data where zero is arbitrary. Example:Temperature in Fahrenheit and Celcius. A) Nominal. B) Ordinal. C) Interval. D) Ratio. Show Answer Correct Answer: C) Interval. 25. Assume 10 students got the following test scores:58, 98, 81, 59, 67, 81, 94, 84, 46, 32. Find the median of the scores. A) 71. B) 72. C) 73. D) 74. Show Answer Correct Answer: D) 74. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 15 Statistics Quiz 1Class 11 Mathematics Chapter 15 Statistics Quiz 2Class 11 Mathematics Chapter 15 Statistics Quiz 3Class 11 Mathematics Chapter 15 Statistics Quiz 4Class 11 Mathematics Chapter 15 Statistics Quiz 5Class 11 Mathematics Chapter 15 Statistics Quiz 6Class 11 Mathematics Chapter 15 Statistics Quiz 7Class 11 Mathematics Chapter 15 Statistics Quiz 8Class 11 Mathematics Chapter 15 Statistics Quiz 9Class 11 Mathematics Chapter 15 Statistics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books