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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 6 (60 MCQs)

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1. The mean of this data set is 53, 2, 6, 4, 8, 7, 5
2. 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.
3. 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?
4. Find the mean of the following set of data.30, 31, 25, 35, 40, 47
5. 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?
6. 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?
7. What is the mode of the set of data 80, 85, 70, 60, 100, 100, 95, 65, 19, 20, 18, 21, 22?
8. The standard deviation is
9. 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?
10. Find the range of the data.16, 28, 6, 19, 21, 15, 22, 33, 17
11. 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?
12. 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.
13. 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.
14. What 5 items are found when finding the Measures of Variation?
15. Find the Upper Quartile of the following numbers:84, 88, 72, 74, 98, 16, 94
16. Write 7/8 as a decimal and a percent.
17. Which one would be the best to use:20, 20, 20, 20, 20, 25
18. Quartiles are values that divide a data set into four equal parts.
19. Which of the following best describes the process of finding the range for a set of data?
20. Erin and Chloe are trying to determine which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?
21. Which is a synonym for "average?"
22. What is the mode in this set of numbers:7, 14, 20, 3, 7, 14, 2, 14, 7
23. The three main measures of central tendency.
24. What is the definition of the mode?
25. The following are scores made on a math test:80, 90, 90, 85, 60, 70, 75, 85, 90, 60, 80 What is the median of these scores?
26. What is the commonly used measure of central tendency?
27. Terrence plays basketball on a team. He has played three games so far. In the first game, he scored 10 points. In the second game, he scored 16 points. In the third game, he scored 7 points. What is Terrence's average points per game?
28. Which descriptive measure is more resistant to the effect of outliers?
29. The mean of a data set can be found by .....
30. Find the range of:-194, -5.4, -94, -172, -34, -6.6, 4.9, 7.8, 168, -5.7, -8.7, -2.5, 76
31. What does CENTRAL TENDENCY measure?
32. It is also equivalent to fiftieth percentile.
33. Within a normal distribution, where would the most frequently occurring scores be located?
34. What is the usefulness of averages in social science research?
35. Which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?
36. A measure of central tendency is a summary statistic that represents the center point or typical value of a dataset.
37. Tyrese's scores in 7 basketball games are shown below:18, 20, 22, 15, 20, 23, 17Tyrese has one more game, and he wants to average 20 points for all 8 games. How many points does he need to score in his last game?
38. Given the set of scores:43, 38, 43, 38, 38, 45, 36, 38, 43, 40, 35, 40WHAT IS THE SUMMATION OF X?
39. What is the median of 0, 1, 2, 6, 6?
40. Bastian's scores on tests are:7, 8, 6, 7, 9, 10, 6, 8, 7What measure best represents this data?
41. Which of the following measures can have more than one value for a set of data?
42. During Michael Jordan's last 5 years of playing basketball, these were his average scores for points per game:30.4, 29.6, 28.7, 22.9, 20.0Find the mean pointsper game for those 5 years.
43. Casandra counted the M&M's in 7 different bags and found the following number of M&M's in each bag:5, 3, 2, 6, 5, 2, 5What is the mean number of candies in a bag?
44. Which one of the following is not Central Tendency?
45. Following is the given data:25, 24, 29, 30, 24, 25, 26, 24, 25, 28, 24, 29, 25, 27, 25. The mode of the given data is 25, find the new mode if the last observation is changed to 24.
46. On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.Find the mean weight of the containers on this ship.
47. In 2019 the following number of babies were born in the Emerald City each month:12, 35, 18, 17, 13, 27, 12, 18, 27, 33, 15How many babies need to be born in the last month to have an average of 20 babies born a month?
48. Which of the following possible that there is no value exists?
49. It is the sum of measures divided by the number of measures in a variable.
50. Find the range.12, 5, 9, 18, 22, 25, 5
51. The median of 2, 4, 6, 8, 10 is:
52. The mean of 4, 5, 1, 3, 7, 4 is x. The numbers 2, 4, 3, 2, 3, y, 3 have mean x-1 and median z. Then y + z=?
53. Which is the MIDDLE of an ordered set of data?
54. The number of books borrowed in the library from Monday to Friday last week were 58, 60, 54, 35 and 97 respectively. Find the mode
55. Find the mean.7, 13, 6, 2
56. From January 3 to January 7, Buffalo recordedthe following daily high temperatures:5$^\circ$, 7$^\circ$, 6$^\circ$, 5$^\circ$, and 7$^\circ$. Which statement about the temperatures is true?
57. Cassandra's Candles sold the following number of candles over the last 6 days:25, 48, 25, 33, 57, 50. What was the average number of candles sold each day?
58. What is the mode of the data set:Black Blue RedPink Black BlackGray Green BlueBlue Blue RedYellow Blue Red
59. Which one would be the best to use:10, 10, 10, 12, 1, 10, 14, 10, 55, 8, 10, 10
60. The scores shown below were received by four science teams named A, B, C, and D in an examination. Each team reported an "average" of 90. Which of the following is true for the measure of central tendency that was used by the team?A:80, 85, 90, 95, 100B:93, 92, 90, 90, 91C:80, 86, 95, 92, 90D:85, 90, 90, 90, 90
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