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Grade 11Curriculum · Maths: statistics

Statistics Worksheets — Mean, Median and Standard Deviation

Practise measures of centre and spread.

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Exercise type
Statistics: mean, median and standard deviation
Grade
11 (ages 16–17)
Difficulty
Easy
Number of tasks
20
Task format
Calculations
Paper size
A4
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Statistics: mean, median and standard deviation · Grade 11

Name: ____________________
Example: how to solve it
1.

Find the mean and median: 9, 8, 2, 9, 12

2.

Find the mean and median: 16, 18, 4, 4, 3

3.

Find the mean and median: 15, 2, 19, 8, 11

4.

Find the mean and median: 13, 12, 14, 9, 12

5.

Find the mean and median: 9, 17, 1, 6, 7

6.

Find the mean and median: 3, 14, 10, 4, 14

7.

Find the mean and median: 13, 8, 3, 16, 20

8.

Find the mean and median: 23, 3, 6, 3, 15

9.

Find the mean and median: 12, 13, 14, 1, 10

10.

Find the mean and median: 13, 14, 17, 6, 15

11.

Find the mean and median: 5, 12, 9, 20, 19

12.

Find the mean and median: 12, 9, 11, 8, 20

13.

Find the mean and median: 23, 19, 11, 18, 4

14.

Find the mean and median: 19, 17, 11, 7, 1

15.

Find the mean and median: 2, 6, 10, 6, 16

16.

Find the mean and median: 8, 9, 8, 6, 19

17.

Find the mean and median: 4, 18, 19, 5, 4

18.

Find the mean and median: 12, 11, 1, 15, 11

19.

Find the mean and median: 12, 13, 18, 20, 12

20.

Find the mean and median: 6, 8, 19, 20, 12

Answer key

  1. 1. 8; median 9
  2. 2. 9; median 4
  3. 3. 11; median 11
  4. 4. 12; median 12
  5. 5. 8; median 7
  6. 6. 9; median 10
  7. 7. 12; median 13
  8. 8. 10; median 6
  9. 9. 10; median 12
  10. 10. 13; median 14
  11. 11. 13; median 12
  12. 12. 12; median 11
  13. 13. 15; median 18
  14. 14. 11; median 11
  15. 15. 8; median 6
  16. 16. 10; median 8
  17. 17. 10; median 5
  18. 18. 10; median 11
  19. 19. 15; median 13
  20. 20. 13; median 12

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About this generator

Easy: mean and median, medium: range and median, hard: population standard deviation σ. The answer key is calculated by the website. No sign-up needed.

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