Mean Median Mode Worksheet for Maths Olympiad
How to solve it (Work with totals): Mean = total ÷ how many; so total = mean × how many. Median: put the numbers in order and take the middle one. Mode: the number that appears most often. A number added: new mean = (old total + the number) ÷ (how many + 1).
NameDateTime takenScore ___ / 40
- 1.What is the mean of 6, 12, 2, 10, 8 and 4? (a) 9 (b) 6 (c) 8 (d) 7
- 2.What is the median of 39, 19, 36, 4 and 22? (a) 22 (b) 24 (c) 36 (d) 19
- 3.What is the mode of 5, 17, 5, 20, 5, 17 and 9? (a) 20 (b) 9 (c) 5 (d) 17
- 4.The mean of 9 numbers is 23. When the number 53 is added to them, what is the new mean? (a) 23 (b) 38 (c) 27 (d) 26
- 5.What is the median of 7, 28, 31, 26 and 38? (a) 26 (b) 28 (c) 29 (d) 31
- 6.What is the mean of 2, 5, 14 and 7? (a) 9 (b) 7 (c) 6 (d) 8
- 7.What is the mode of 12, 17, 2, 17, 19, 17 and 12? (a) 2 (b) 17 (c) 19 (d) 12
- 8.What is the median of 7, 38, 37, 4 and 13? (a) 13 (b) 37 (c) 14 (d) 7
- 9.What is the mode of 15, 1, 3, 1, 1, 3 and 17? (a) 1 (b) 3 (c) 17 (d) 15
- 10.What is the mean of 13, 4, 11, 5 and 17? (a) 11 (b) 12 (c) 10 (d) 9
- 11.The mean of 7 numbers is 25. When the number 49 is added to them, what is the new mean? (a) 25 (b) 29 (c) 28 (d) 37
- 12.What is the mode of 10, 20, 8, 16, 20, 16 and 20? (a) 10 (b) 8 (c) 16 (d) 20
- 13.The mean of 3 numbers is 22. When the number 10 is added to them, what is the new mean? (a) 22 (b) 20 (c) 16 (d) 19
- 14.What is the mean of 3, 20, 17 and 12? (a) 15 (b) 12 (c) 14 (d) 13
- 15.What is the median of 29, 21, 20, 4, 15, 11 and 5? (a) 15 (b) 20 (c) 11 (d) 4
- 16.What is the mode of 13, 8, 8, 19, 19, 8 and 18? (a) 18 (b) 19 (c) 13 (d) 8
- 17.What is the median of 12, 4, 38, 11 and 9? (a) 38 (b) 12 (c) 9 (d) 11
- 18.What is the mode of 19, 19, 7, 13, 7, 5 and 7? (a) 13 (b) 5 (c) 19 (d) 7
- 19.The mean of 8 numbers is 36. When the number 45 is added to them, what is the new mean? (a) 39 (b) 38 (c) 37 (d) 36
- 20.What is the mode of 14, 20, 15, 15, 20, 20 and 17? (a) 17 (b) 15 (c) 14 (d) 20
- 21.The mean of 6 numbers is 13. When the number 34 is added to them, what is the new mean? (a) 15 (b) 17 (c) 13 (d) 16
- 22.What is the mode of 17, 12, 5, 17, 4, 4 and 4? (a) 5 (b) 17 (c) 12 (d) 4
- 23.The mean of 9 numbers is 26. When the number 6 is added to them, what is the new mean? (a) 24 (b) 16 (c) 25 (d) 26
- 24.What is the mode of 14, 5, 6, 3, 6, 14 and 6? (a) 5 (b) 14 (c) 6 (d) 3
- 25.What is the mode of 2, 7, 8, 10, 10, 2 and 2? (a) 8 (b) 2 (c) 7 (d) 10
- 26.What is the median of 39, 24, 18, 32, 30, 1 and 11? (a) 32 (b) 24 (c) 18 (d) 30
- 27.What is the mode of 3, 15, 1, 3, 16, 3 and 15? (a) 15 (b) 1 (c) 16 (d) 3
- 28.What is the median of 9, 39, 12, 11 and 14? (a) 17 (b) 11 (c) 12 (d) 14
- 29.The mean of 4 numbers is 22. When the number 7 is added to them, what is the new mean? (a) 20 (b) 22 (c) 18 (d) 19
- 30.What is the median of 12, 9, 29, 10, 40, 5 and 36? (a) 13 (b) 29 (c) 12 (d) 10
- 31.What is the mean of 19, 7, 2, 19 and 13? (a) 13 (b) 12 (c) 10 (d) 15
- 32.The mean of 4 numbers is 33. When the number 28 is added to them, what is the new mean? (a) 33 (b) 32 (c) 31 (d) 34
- 33.What is the mean of 3, 5, 5 and 3? (a) 6 (b) 5 (c) 4 (d) 3
- 34.What is the mean of 18, 17, 5, 9 and 11? (a) 15 (b) 13 (c) 12 (d) 10
- 35.The mean of 3 numbers is 10. When the number 14 is added to them, what is the new mean? (a) 10 (b) 13 (c) 11 (d) 12
- 36.What is the mean of 20, 7, 6, 6, 12 and 15? (a) 10 (b) 11 (c) 13 (d) 12
- 37.What is the mean of 2, 14, 2, 2 and 15? (a) 7 (b) 9 (c) 8 (d) 6
- 38.What is the mean of 10, 12, 11, 9, 5 and 19? (a) 10 (b) 11 (c) 13 (d) 12
- 39.What is the median of 29, 10, 1, 39, 7, 14 and 40? (a) 14 (b) 29 (c) 39 (d) 20
- 40.The mean of 6 numbers is 39. When the number 60 is added to them, what is the new mean? (a) 42 (b) 41 (c) 43 (d) 39
Answer key
- 7
- 22
- 5
- 26
- 28
- 7
- 17
- 13
- 1
- 10
- 28
- 20
- 19
- 13
- 15
- 8
- 11
- 7
- 37
- 20
- 16
- 4
- 24
- 6
- 2
- 24
- 3
- 12
- 19
- 12
- 12
- 32
- 4
- 12
- 11
- 11
- 7
- 11
- 14
- 42
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