This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 15 Statistics – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 15 Statistics Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. R is the symbol for the ..... A) Sample correlation coefficient. B) Population mean. C) Sample mean. D) Population correlation coefficient. Show Answer Correct Answer: A) Sample correlation coefficient. 2. Which of the following is an example of categorical (qualitative) data set? i. Ages of grade 7 students.ii. Favorite flavor of ice cream for each of 6th graders.iii. Internet browsing hours spent of grade 7 students.iv. My favorite Milktea flavors. A) Ii and iii. B) Ii and iv. C) Ii only. D) Iii only. Show Answer Correct Answer: B) Ii and iv. 3. Which standard deviation would have data that is farthest apart? A) Standard deviation of 1. B) Standard deviation of 2. C) Standard deviation of 3. D) Standard deviation of 4. Show Answer Correct Answer: D) Standard deviation of 4. 4. Identify the kind of variable in this situation:number of paper clips in mason jar on Mr. Rhoades' desk A) Nominal. B) Ordinal. C) Discrete. D) Continuous. Show Answer Correct Answer: C) Discrete. 5. * 7/2 * 39 / 9 * 33 is equal to: A) 1. B) 3. C) 33. D) 3/93. Show Answer Correct Answer: C) 33. 6. In tossing a coin, find the probability of getting a head. A) $\frac{1}{2}$. B) $\frac{1}{3}$. C) $\frac{1}{4}$. D) 1. Show Answer Correct Answer: A) $\frac{1}{2}$. 7. In a class there are 11 students who study French and German, 5 students who do not study French or German, 14 students who study French and 22 students who study German. What is the probability that a student chosen at random only studies German? A) 11/41. B) 6/41. C) 17/41. D) 5/41. Show Answer Correct Answer: A) 11/41. 8. Given the iris data, how would you determine which species has the largest average sepal length? A) By calculating the average sepal length for each species and comparing them. B) By counting the number of entries for each species. C) By drawing a pie chart of species names. D) By sorting the data by petal width. Show Answer Correct Answer: A) By calculating the average sepal length for each species and comparing them. 9. For what value of x will make 3/(x+1) = 2/(x-3) true? A) 12. B) -12. C) -11. D) 11. Show Answer Correct Answer: D) 11. 10. Data is ..... A) A planned activity whose results yield a set of data. B) A numerical value that summarizes all of the data of an entire population. C) The set of values collected from the variable from each of the elements that belong to the sample. D) A numerical value summarizing the sample data. Show Answer Correct Answer: C) The set of values collected from the variable from each of the elements that belong to the sample. 11. According to the instructions, how would you classify a student with a Combined score of 80? A) Distinction. B) First. C) Second. D) Fail. Show Answer Correct Answer: A) Distinction. 12. What level of measurement is characterized by data that consist of names, labels, or categories only? A) Interval. B) Nominal. C) Ordinal. D) Ratio. Show Answer Correct Answer: B) Nominal. 13. Suppose you are given the monthly electricity bill data for a family. How would you identify the month with the highest bill? A) By examining the data and finding the maximum value. B) By drawing a pie chart. C) By calculating the average. D) By sorting the data alphabetically. Show Answer Correct Answer: A) By examining the data and finding the maximum value. 14. What is the value of 4/5 * 3/4 * 8/3? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 15. Which refers to the entire collection of observation such as people or objects being considered? A) Data. B) Individual. C) Parameter. D) Population. Show Answer Correct Answer: D) Population. 16. Validity is a concept that ..... (choose the best answer) A) Measures the consistency of the measurement taken under the study. B) Covers the the full range of the issue set for the study. C) Measures the accuracy of the concept that it supposes to measure. D) None of the above. Show Answer Correct Answer: C) Measures the accuracy of the concept that it supposes to measure. 17. What is the duration allocated for the initial student activity? A) 15 minutes. B) 10 minutes. C) 5 minutes. D) 20 minutes. Show Answer Correct Answer: C) 5 minutes. 18. IDENTIFY IF THE QUESTION IS AN OPEN-FORMAT QUESTION OR CLOSED FORMAT QUESTION.Why do you need a cellular phone? A) Closed Format Question. B) Open Format Question. C) Both. D) None of the above. Show Answer Correct Answer: B) Open Format Question. 19. The tendency of a test to produce the same scores again and again each time it is given to the same people. A) Inferential statistics. B) Descriptive statistics. C) Validity. D) Reliability. Show Answer Correct Answer: D) Reliability. 20. One application of statistics for the promotion of products and services, increase of sales. A) Education. B) Business. C) Demography. D) Political. Show Answer Correct Answer: B) Business. 21. The mean of a set of 40 numbers is 85, and the mean of another set of 50 numbers is 76.What is the mean when the two sets are combined? A) 70. B) 80. C) 90. D) 100. Show Answer Correct Answer: B) 80. 22. What do you call with the middle number in a data set when the numbers are arranged in descending order? A) Mean. B) Median. C) Mode. D) Range. Show Answer Correct Answer: B) Median. 23. What is the first stage in statistics? A) Collect data. B) Identify the group of variables to be studied. C) Review the materials. D) Analyze data. E) Summarize data. Show Answer Correct Answer: B) Identify the group of variables to be studied. 24. If the distribution is asymmetric, which measure of location is most appropriate if the data is in a nominal scale? If it is in an ordinal scale? If it is in an interval or ratio scale? A) Median, mean, mode. B) Median, median, median. C) Mode, mode, median. D) Mode, median, mean. Show Answer Correct Answer: D) Mode, median, mean. 25. Measures of central tendency are A) Inferential statistics that identify the best single value for representing a set of data. B) Descriptive statistics that identify the spread of the scores in a data set. C) Inferential statistics that identify the spread of the scores in a data set. D) Descriptive statistics that identify the best single value for representing a set of data. Show Answer Correct Answer: A) Inferential statistics that identify the best single value for representing a set of data. ← 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