Statistics Class 9 MCQs Questions with Answers

1. Find the range of the following data: 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20.

2. Find the value of x, if the arithmetic mean of 4, 5, 6, 7, 8 and x is 7.

3. The median of the data: 4, 6, 8, 9, 11 is

4. In the class intervals 10-20, 20-30, 20 is included in which interval?

5. Which of the following is not a measure of central tendency?

6. The mean of the data 2, 3, 4, 5, 0, 1, 3, 3, 4, 3 is

7. The arithmetic mean of the first 5 natural numbers is

8. The median of the data: 155, 160, 145, 149, 150, 147, 152, 144, 148 is

9. The value which appears very frequently in a data is called:

10. Find the mode of the following data: 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15.

11. The mean of x+2, x+3, x+4 and x-2 is:

12. What is the class mark of the class interval 90-120?

13. The collection of information, collected for a purpose is called:

14. Find the class width for the grouped frequency distribution of the class intervals 1-20, 21-40, 41-60, ..

15. The median of the data: 17, 2, 7, 27, 15, 5, 14, 8, 10, 24, 48, 10, 8, 7, 18, 28 is:

16. The ratio of the sum of observations and the total number of observations is called:

17. Find the maximum value if the range is 38 and the minimum value is 82.

18. If each data in the observation is increased by 5, then the mean 

19. The mode of the given data: 4, 6, 5, 9, 3, 2, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9 is;

20. The difference between the maximum and minimum values of the given observation is called