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Class 11 Mathematics Chapter 15 Statistics Quiz 6 (25 MCQs)

Quiz Instructions

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1. Identify the type of random variable:number of books in a library
2. Which of the following is an example of numerical data?
3. A collection and study of data
4. Which of the following is the correct value for the expression 2-3/2?
5. A prediction has been made that the chance that a person will be robbed in a certain city is 15%.
6. How many ways can you arrange books of the same kind if there are 4 Math books, 3 Science books, and 2 English books on a shelf?
7. It is a data collection method done through the use of printed questions regarding a certain matter(pen and paper)
8. The following table shows the heights, in inches, of the players on the opening-night roster of the 2015-2016 New York Knicks84, 80, 87, 75, 77, 79, 80, 74, 76, 80, 80, 82, 82The population standard deviation of these data is approximately
9. Which of the following best describes the use of the FREQUENCY() function in the context provided?
10. The median of the data 155, 160, 145, 149, 150, 147, 152, 144, 148 is
11. What is the mode of the following data set? 12, 14, 10, 8, 12, 10, 8, 9, 11, 14, 17, 6, 10, 6, 16, 15, 16, 12, 18, 20, 20, 14, 6, 9, 10, 12, 18, 15, 11, 158, 15, 9, 8, 12, 11, 17, 20 16, 8
12. If the scores on a test have a mean of 26 and a standard deviation of 4, what is the z-score for a score of 18?
13. An observable characteristic that can be measured or classified
14. The number of accidents in a city during 2010 is
15. If the coefficient of correlation between x and y is r, then between $u=\frac{x-5}{10}$ $v=\frac{y-7}{2}$
16. These are data represented by numbers.
17. ..... to describe basic feature of data in a study.
18. What is the branch of statistics that involves organizing, displaying and describing data?
19. A branch of Mathematics that deals with collecting, organizing, analyzing and interpreting?
20. Which type of chart would be most appropriate to display the number of students admitted in the year 2012 from various districts?
21. Which type of statistic is this? Using this product will burn 74% more calories.
22. Data that are collected for the first time by an investigator
23. Ungrouped Data is:
24. A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.The "100" is the .....
25. A market researcher surveys 85 people on their coffee-drinking habits. She wants to know whether people in the local region are willing to switch their regular drink to something new.
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