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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 19 (25 MCQs)

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1. The scores in a basketball match are as follows:7, 13, 18, 24, 9, 3, 18which score occurred most often?
2. What does standard deviation measure?
3. The large Greek symbol Sigma that looks like a capital E stands for:
4. How is the median calculated?
5. Austin hit some home runs in a game. He hit 9, 11, 12, and 8. He wants his mean to be 10. How many will he need in the next game?
6. If you score $76, 85, 97, $ $83$
7. What is the mode of the following data set ..... 4, 8, 5, 17, 5, 4, 9, 5, 6, 82
8. Write 19/20 as a decimal and percent.
9. What is the mode of the following numbers, and what word can be used to describe thedistribution of the data set?3, 5, 4, 10, 3, 3, 4, 7, 4, 6, 5, 11, 9, 5, 7
10. What is the mean of the set of data 10, 11, 11, 10, 10, 9, 12, 13, 3, 3, 2, 2, 1, 2, 1, 0, 0, 4?
11. Which of the following gives gives the range of the middle 50% of the data?
12. The scores Philip got in the last ten video games he played are:500, 600, -250, -100, 800, 750, 1300, -100, 1250, -200What is the range of these scores?
13. Find the range.7, 1, 1, 7, 1, 4, 1
14. Which set of data has a higher mean?BOB:1.3, 3.1, 4.1, 2.5, 2.2, 2.8MEGAN:5.5, 1.1, 1.2, 2.4, 3.8, 2.0, 1.9
15. In the formula of mode, represents:
16. In a dataset, the mean is 20 and the mode is 25. What is the value of the median?
17. Which of the following values would need to be added to the set of values here to create a bimodal distribution?2, 5, 4, 4, 3, 5, 4
18. Measures of Central Tendency help us to relate numbers in a set of data to each other. For example, if the average student's grade in your math class is an 81, we know that someone who has a grade of 97 is performing well ABOVE the average in that class. Amongst the following choices, which grade would represent a student performance that is considered well BELOW average?
19. Find the mean of:5, 3, 4
20. Write 37/50 as a decimal and percent.
21. Which of the following is the method for finding outliers in the lower direction?
22. What are the modes of the following sets of numbers?12, 0, 15, 15, 13, 19, 16, 13, 16, 16
23. Find the interquartile range of the data:20, 22, 25, 29, 31
24. Which statement is supported by the data? The data below represent cell phone bills in dollars for 6 randomly selected students.160, 320, 100, 110, 200, 220
25. If all values of a data are multiplied by 2, the mean will:
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