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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 13 (25 MCQs)

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1. What number would you divide by to find the mean of 1, 2, 3, 4, and 5?
2. Rita is accepting donations. So far she has collected $ 5, $ 25, $ 3, $ 2, $ 6, $ 8, $ 7, and $ 5.Which measure of central tendency best describes the data?
3. Which of the following measures of central tendency are resistant to extremely large or extremely small values compared with the rest of the data?
4. What is the median of the following numbers? 4, 5, 8, 12, 16, 24
5. Jason scored the following on his test:87, 75, 67, 85, 91, 80, and 95. His teacher allowed him to retake a test to replace his lowest test score. If he scores an 80, how will this effect the median?
6. The number of miles that Jenna cycled each week for a 7-week period is shown:36, 42, 28, 52, 48, 36, 31 What is the mean number of miles Jenna cycled?
7. Which is a more resilient measure of central tendency?
8. Which one would be the best to use:75, 73, 72, 70, 68, 66
9. By how much will the mean vary if the outlier is included?75, 65, 77, 69, 34, 82, 64
10. Which is the MIDDLE?
11. The mean of this data set is 53, 2, 6, 4, 8, 7, 5
12. The heights (in centimeters) of 7 students in a class are as follows:150, 155, 160, 165, 170, 175, 180. Calculate the mean height and median height. If the variance of the heights is 50, calculate the standard deviation.
13. Given the set of scores:43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40WHAT TYPE OF MODE EXISTS IN THE GIVEN DISTRIBUTION ABOVE?
14. Find the mean of the following set of data.30, 31, 25, 35, 40, 47
15. A set of four numbers that begins with the number 32 is arranged from smallest to largest. If the median is 35, which of the following could possibly be the set of numbers?
16. All of the below sets have the same mean.Set 1-Standard Deviation=3.1Set 2-Standard Deviation=4.9Set 3-Standard Deviation=1.7Set 4-Standard Deviation=3.2Which set of data probably has the points closest to the mean?
17. What is the mode of the set of data 80, 85, 70, 60, 100, 100, 95, 65, 19, 20, 18, 21, 22?
18. The standard deviation is
19. If test scores for a class are:100, 100, 90, 90, 80, 80, 70, 70, 60, and 60, what are the mean and sample standard deviation?
20. Find the range of the data.16, 28, 6, 19, 21, 15, 22, 33, 17
21. The costs of six toys in a certain store are:$ 15, $ 20, $ 32, $ 1, 250, $ 27, $ 50 Which measure of central tendency should be used?
22. Towards the end of season, a netballer had played 14 matches and had an average of 16.5 goals per game. In the final two matches of the season she threw 21 goals and 24 goals. Find the netballer's new average.
23. In order to find the ..... , we add up all of the numbers in the data set and then divide the sum by the number of numbers.
24. The number of miles that Jenna cycled each week for a 7-week period is shown:36, 42, 28, 52, 48, 36, 31What is the median number of miles Jenna cycled?
25. What 5 items are found when finding the Measures of Variation?
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