Measures of Central Tendency

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The mean of prime numbers between 20 and 30 is:

26

27

25

21

Your comments:

Question 1 of 10

2. The arithmetic mean of 30 values is 69. New mean, if each of the 30 values is increased by 5 is

74

75

70

72

Your comments:

Question 2 of 10

3. The mean marks of 25 students of a class are 20.So the sum of their marks is equal to,

900

400

500

600

Your comments:

Question 3 of 10

4. If the number of observations in a data set is 25 and the mean of the data is 32. Then, the sum of all observations is ____________

1275

800

425

1700

Your comments:

Question 4 of 10

5. If the mean of 6, 4, 7, x and 10 is 8, the value of x is

22

13

32

90

Your comments:

Question 5 of 10

6. The maximum frequency 10 is for the observation 4. Hence the mode of the data is

2

10

3

4

Your comments:

Question 6 of 10

7. Median of the data 5, 9, 8, 6, 3, 5, 7, 12, 15 is

6

5

7

3

Your comments:

Question 7 of 10

8. Find median of following data: 83, 37, 70, 29, 45, 63, 41, 70, 34, 54

51

25

49.5

47

Your comments:

Question 8 of 10

9. What will be the mean of x, x + 2, x + 4, x + 6, x + 8, where the value of x is 12?

22

10

16

8

Your comments:

Question 9 of 10

10. The median of observations 17, 18, 20, 22, x+2, x+4, 31, 35, 37 is found to be 24. If the observations have been arranged in ascending order, the value of x will be

30

22

25

20

Your comments:

Question 10 of 10

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