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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 8 (60 MCQs)

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1. In which of the following situations would the mean be an appropriate measure of central tendency? I. when the data set contains no outliers II. when using categorical data III. when an exact average is needed IV. when the middle value is needed
2. Students in Year 8 are arranged in eleven classes. The class sizes are 23, 24, 24, 26, 27, 28, 30, 24, 29, 24, 27. What is the modal class size (mode)?
3. The prices at several different stores for a pair of shoes are shown below. $ 78, $ 79, $ 81, $ 82, $ 83Two days later, another store has the same shoes on sale for $ 65. How does the new price affect the data?
4. What is the range of 45, 56, 23, 74, and 63?
5. Mr. Pusey times the speed of his sprinters every Friday. This week he had them run from one school building to the next. There times were in seconds were:52.6, 61.3, 74.8, 78.2, 86.2.What was the mean time?
6. Which measure of central tendency best represents this set of data:3, 18, 2, 0, 1, 0, 2, 1
7. Ellana scores these number on her spelling test:4, 6, 7. She would like her mean to be 6. What will she have to score next?
8. It is the value with the greatest frequency
9. Find the median:12, 15, 13, 18, 23, 5?
10. What is the median of the following data set:1, 1, 2, 4, 4, 6?
11. How would the mode change if a five was removed from the data set?4, 8, 5, 17, 5, 4, 9, 5, 6, 82
12. The sum of all the data items divided by the number of data items, is the measure of central tendency called the .....
13. Mathew sold 78 apples on Monday, 58 apples on Tuesday, 80 apples on Wednesday, and 64 apples on Thursday. Find the average number of apples sold by Mathew.
14. The scores in a basketball match are as follows:7, 13, 18, 24, 9, 3, 18which score occurred most often?
15. The large Greek symbol Sigma that looks like a capital E stands for:
16. How is the median calculated?
17. 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?
18. If you score $76, 85, 97, $ $83$
19. Write 19/20 as a decimal and percent.
20. 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
21. 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?
22. Which of the following gives gives the range of the middle 50% of the data?
23. 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?
24. Find the range.7, 1, 1, 7, 1, 4, 1
25. In the formula of mode, represents:
26. In a dataset, the mean is 20 and the mode is 25. What is the value of the median?
27. 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
28. 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?
29. Find the mean of:5, 3, 4
30. Write 37/50 as a decimal and percent.
31. Which of the following is the method for finding outliers in the lower direction?
32. What are the modes of the following sets of numbers?12, 0, 15, 15, 13, 19, 16, 13, 16, 16
33. Find the interquartile range of the data:20, 22, 25, 29, 31
34. 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
35. If all values of a data are multiplied by 2, the mean will:
36. Write the median and mode for the following set of data 43, 37, 49, 51, 56, 40, 44, 50, 36
37. A data value that occurs most often in a data set is the measure of central tendency called the .....
38. Cumulative Frequency is required for which of the following measures?
39. What is the Median?34, 98, 12, 45, 61
40. Find the median and the mode for the following set of data 11, 17, 7, 6, 7, 4, 15, 9
41. What is the middle value in a set of data arranged in numerical order?
42. Find the range of the scores below.5, 15, 10, 20, 15, 10, 15
43. The measure of central tendency that is the data item in the middle of ranked, or ordered, data is called the .....
44. If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?
45. Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15
46. The mean of 4, 8, 12, 16, 20 is:
47. Find the mean of the following set of data.2.3, 3.1, 3.5, 2.8, 2.9, 3.0, 3.2
48. Which measure of central tendency is robust to outliers?
49. What does the mode represent in a set of numbers?
50. Is there an outlier? If so, what is it?17, 36, 45, 98, 25, 34, 19, 45, 36
51. Which of the following is the correct term for the difference of quartile 1 and quartile 3?
52. DATA SET:34, 32, 12, 65, and 45 find the range
53. Which measure of central tendency makes the most sense in this situation? An insurance analyst wants to calculate the ..... age of the individuals they provide insurance for so the marketing team can pinpoint advertisements to this age group.
54. Five people play golf and at one hole their scores are3, 4, 4, 5, 7Find (a) the mean (b) the median (c) the mode (d) the range .
55. What is the median of 9, 4, 10, 6, 8, 17, 13
56. Identify the outlier for the given data?23, 34, 27, 7, 30, 26, 28, 31, 34
57. What is the difference between the mean and the median of this set of numbers?{3, 4, 6, 7}
58. Find the mean of the data. 108, 95, 104, 96, 97, 106, 94
59. Which measure of Central Tendency takes into account all observation?
60. The deviations from the mean:
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