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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 5 (60 MCQs)

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1. Which descriptive measure is best for skewed ratio data?
2. Determine the mode for each of the following set of data.20, 22, 25, 23, 27, 21, 28
3. Which of the following is not affected by extreme values?
4. Find the IQR (Q3-Q1) of the data 20, 22, 25, 29, 31
5. The ..... is the measure of central tendency that represents the middle number in a set of data.
6. What is an outlier?
7. Find the median of:-2.9, 3.6, 2.2, 3.9, -4.8, 2.6, -5.3, 4.8, -5.1, 2.6, 1.2, -4
8. An OUTLIER in a set of data is a number that is far away from the rest of the numbers.Identify the OUTLIER in this data set.5, 8, 10, 11, 15, 53
9. What is median?118, 138, 120, 78, 138, 130
10. The measure of central tendency that is found by adding the lowest and highest data values and dividing the sum by 2 is called the .....
11. Which one would be the best to use:16, 17, 18, 18, 18, 18, 19
12. What is the range of the data? 108, 95, 104, 96, 97, 106, 94
13. If n data items are arranged in order, from smallest to largest, the data item in the middle is the value in .....
14. Measures of central tendency which is greatly affected by extremely low or high scores.
15. What effect will the outlier have on the median of the data if the outlier is excluded? 4, 6, 3, 4, 3, 6, 24
16. If a number is added to a set that is smaller than the mean. How does this affect the mean?
17. How will removing 82 impact the median of the given dataset?4, 8, 5, 17, 5, 4, 9, 5, 6, 82
18. What is the mean?88, 63, 40, 50, 34
19. By how much will the mean vary if the outlier is included?88, 78, 90, 82, 46, 95, 77
20. The scores awarded to 25 students for an assignment were as follows:4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9What is the mode?
21. What is the median for 10, 8, 12, 7, 11, 22, and 6?
22. What effect will the outlier have on the median of the data if the outlier is excluded?64, 56, 59, 125, 58, 64, 65
23. Given the set of scores:43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40WHAT IS THE NUMBER OF CASES?
24. The formula for calculating Mean for Grouped data-Discrete Variate case is
25. If you scored 76, 85, 97, and 83 on your summative assessments in MMW, what would your median score be?
26. Determine the range of the data set:12, 15, 18, 21, 24, 27
27. Juan took four 10 point tests and scored an average of 6. If he took a fifth test and scored an 8, how would that affect his mean score?
28. Mike biked the following miles on various days:5, 10, 7, 3, 9, 2How many miles does he need to travel for his median miles biked to be 5 miles?
29. The temperature for a week in July had highs of 76, 84, 83, 91. What will happen to the mean if the temperature the next day is 76?
30. Find the mode of:2.3, 7.2, 8.2, -9.1, 4.9, -9.8, 5.3, 6.2, 8.7, -5, 5.7, -0.5
31. Find the mean of the data set18, 2, 0, 0, 0
32. Which of the following is also called as the Positional Average
33. If x and y are related by x-y-10 = 0 & mode of x isknown to be 23, then the mode of y is:
34. The squared deviations from the mean
35. Penelope spent the following hours of time on homework Monday through Friday.3, 7, 8, and 4.How many hours would she need to work to have a median of 5 hours spent on homework for the week.
36. What is the formula to calculate the mean of a set of numbers?
37. It is the middle entry or term in a set of data arranged in either increasing or decreasing order.
38. If one or more data items are much greater than the other items, the mean, rather than the median, is more representative of the data.
39. Which of the following measures of variability is the most reliable?
40. If the mean of a data set is 10, what is the missing piece of data? 5, 4, 7, 15, 12, .....
41. When should you use the standard deviation?
42. Write 4/5 as a decimal and percent.
43. How long did it take for each person to get to to school?
44. The weights, in grams, of seven sweet potatoes are260, 225, 205, 240, 232, 205, 214 What is the median weight?
45. How do we find the median when there are exactly TWO numbers in the middle of the data set?
46. Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?
47. Compute Lower Class Boundary (LBMd) by adding 0.5 on the Lower-class boundary containing the median class.
48. When you are trying to find the MEDIAN of a set of data and 2 numbers are left in the middle after putting them in order from least to greatest, what do you do?
49. What is the first step when looking at data?
50. Calculate the median for this set of data22, 32, 44, 11, 5, 28, 19, 30.
51. What number would you divide by to find the mean of 1, 2, 3, 4, and 5?
52. 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?
53. Which of the following measures of central tendency are resistant to extremely large or extremely small values compared with the rest of the data?
54. What is the median of the following numbers? 4, 5, 8, 12, 16, 24
55. 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?
56. 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?
57. Which is a more resilient measure of central tendency?
58. Which one would be the best to use:75, 73, 72, 70, 68, 66
59. By how much will the mean vary if the outlier is included?75, 65, 77, 69, 34, 82, 64
60. Which is the MIDDLE?
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