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Class 11 Economics (Statistics For Economics) Chapter 5 Measures Of Central Tendency Quiz 7 (60 MCQs)

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1. 4, 6, 7-What is the range
2. Mean salary for a group of 40 female workers is Rs.5, 200 per month & that for a group of 60 male workers isRs. 6, 800 per month. What is the combined salary?
3. If the sum of 10 observation is 560, the value of the following measure can be calculated?
4. Which one would be the best to use:925, 923, 922, 920, 928, 926
5. Gary has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95, and 93. Which measure of central tendency is most appropriate for his scores?
6. The mean of six numbers is 42. If one number is excluded, their mean becomes 40. The excluded number is .....
7. Find the median.7, 1, 1, 7, 1, 4, 1
8. 1, 4, 4, 5, 5, 5, 2, 2, 6, 6. Based on the given data, what is the type of mode?
9. What is the mode of 3, 3, 4, 5, 10?
10. Brittany surveyed her classmates about whether or not they liked the book or the movie version of the Hunger Games better.Book:18Movie:8
11. If a data set has no repeated values, what can be said about the mode?
12. Calculate the median for this set of data.100, 55, 98, 140, 101, 98, 53, 57, 70
13. What is the mode?4, 8, 5, 17, 5, 4, 9, 5, 6, 82
14. Which one would be the best to use:65, 64, 63, 58, 57, 53, 50, 48
15. Find the mode of the following data set:2, 4, 6, 8, 10, 12, 14, 16, 18, 20
16. The number of miles that Jenna cycled each week is shown below:32, 42, 28, 52, 48, 36, 31What is the median number of miles Jenna cycled?
17. The MEAN is the most effective measure of central tendency EXCEPT when ..... ?
18. Which of the following affects by the outliers.
19. It is a single value that attempts to describe a set of data by identifying the central position within the set of data
20. What is the MEDIAN of this set of data?10, 90, 80, 60, 50, 40, 70, 30, 20, 100
21. Ella is a teacher, and scores awarded to her 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?
22. The mean number of a set of 5 numbers is 12.7. What extra number must be added to bring the mean up to 13.1?
23. The scores in a basketball match are as follows:7, 13, 18, 24, 9, 3, 18Which score represents the mode?
24. Numbers representing what is average or typical about a data set are called measures of central tendency.
25. In order to find the median, the data must be sorted from least to greatest first.
26. DATA SET:4, 8, 5, 17, 5, 4, 9, 5, 6, 82find the mode
27. Find the mode of:television, laptop, mobile phone, television, laptop
28. The number that appears the most in a data set is commonly known as the .....
29. 2, 4, 7, 8, 3, 5, 6, 6Calculate the mean, median and mode for the data above
30. Dr. Dela Cruz is a dentist. He needs to report on the average number of cavities that his patients have. Below is the number of cavities of her patients;1, 1, 5, 6, 3, 8
31. For the data 3, 7, 7, 9, 10, 12, 14, the median is:
32. Find the Lower Quartile of the following numbers:84, 88, 72, 74, 98, 16, 94
33. Find the range of the data.63, 71, 65, 66, 87, 53
34. The following is time (in seconds) taken for five men to run in a sprint race59, 65, 61, 62, 55what is the mean of the time taken?
35. When should you use the mean as a measure of centrality?
36. The mean of a sample of 6 numbers is 3.2. An extra value of 3.9 is included in the sample. Find the new mean.
37. What is the range of the data listed below:14, 13, 18, 26, 15, 16, 33, 19, 18, 24
38. Find the IQR of the following numbers:84, 88, 72, 74, 98, 16, 94
39. By how much will the mean weights vary if the outlier is included?84, 74, 86, 78, 40, 91, 73
40. What is the range of the following data?45, 32, 41, 30, 43, 39
41. The ..... is the score that rests squarely in the middle of a distribution, with 50% falling above and 50% falling below.
42. If a data set is bimodal, how many modes does it have?
43. Which of the following measures can be calculated in case of Open ended class intervals
44. In order to find the median, the data must be sorted in descending order
45. Madison has test scores of 93, 82, 86, and 75. What must she score on her next test to have an average of 86?
46. If a data has two modes, it is called:
47. Measures of central tendency which is in the middle position when the data are arranged from lowest to highest or vise versa.
48. Find the Maximum of the following numbers:84, 88, 72, 74, 98, 16, 94
49. Calculate the interquartile range of the following data:17, 18, 18, 19, 20, 21, 21, 23, 25
50. What does the median represent in a set of numbers?
51. Is the following question statistical or non statistical?How many cars are in the parking lot?
52. This statistical number is the middle number of the data set.
53. The (a) is the average of the numbers.
54. Positive Skewness is where the graph
55. The mean of 5, 10, 15, 20, 25 is:
56. The number of books borrowed in the library from Monday to Friday last week were 58, 60, 54, 35 and 97 respectively. Find the mean
57. Find the Upper Quartile (Q3) of the following numbers:84, 88, 72, 74, 98, 16, 94
58. Kayte took a sample of 50 pieces of data. She added up all of the pieces of data and then divided by 50. What measure of center is she working on?
59. What happens to the median of the following set of data if 15 is added?17, 31, 28, 16, 45, 20
60. When finding the mean, it is necessary to arrange the data items in order.
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