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 3, 5, 2, 3 and 12? (a) 6 (b) 5 (c) 7 (d) 4
- 2.The mean of 8 numbers is 36. When the number 18 is added to them, what is the new mean? (a) 35 (b) 27 (c) 34 (d) 36
- 3.What is the median of 5, 27, 28, 1 and 18? (a) 5 (b) 18 (c) 27 (d) 28
- 4.What is the mode of 3, 3, 8, 12, 3, 12 and 15? (a) 8 (b) 15 (c) 3 (d) 12
- 5.What is the mode of 5, 2, 5, 4, 8, 5 and 2? (a) 5 (b) 2 (c) 4 (d) 8
- 6.The mean of 8 numbers is 11. When the number 2 is added to them, what is the new mean? (a) 11 (b) 12 (c) 9 (d) 10
- 7.What is the median of 40, 12, 5, 31, 38, 1 and 23? (a) 24 (b) 23 (c) 12 (d) 31
- 8.What is the median of 18, 7, 27, 36, 26, 40 and 23? (a) 27 (b) 26 (c) 36 (d) 23
- 9.The mean of 7 numbers is 26. When the number 42 is added to them, what is the new mean? (a) 26 (b) 29 (c) 28 (d) 34
- 10.What is the median of 13, 8, 26, 6 and 32? (a) 26 (b) 8 (c) 13 (d) 17
- 11.What is the median of 29, 20, 5, 7 and 3? (a) 8 (b) 20 (c) 7 (d) 5
- 12.The mean of 6 numbers is 25. When the number 18 is added to them, what is the new mean? (a) 26 (b) 25 (c) 24 (d) 23
- 13.What is the mean of 5, 13, 6, 16 and 15? (a) 11 (b) 10 (c) 12 (d) 13
- 14.The mean of 9 numbers is 12. When the number 2 is added to them, what is the new mean? (a) 7 (b) 12 (c) 10 (d) 11
- 15.What is the mode of 13, 13, 19, 8, 8, 8 and 18? (a) 19 (b) 18 (c) 8 (d) 13
- 16.What is the median of 13, 21, 6, 19, 3, 36 and 8? (a) 8 (b) 14 (c) 19 (d) 13
- 17.What is the median of 17, 8, 32, 10, 12, 13 and 35? (a) 17 (b) 13 (c) 10 (d) 12
- 18.What is the mean of 2, 8, 4 and 10? (a) 5 (b) 7 (c) 8 (d) 6
- 19.What is the mean of 15, 10, 5, 12 and 13? (a) 12 (b) 11 (c) 10 (d) 13
- 20.The mean of 7 numbers is 36. When the number 60 is added to them, what is the new mean? (a) 36 (b) 48 (c) 40 (d) 39
- 21.The mean of 4 numbers is 13. When the number 3 is added to them, what is the new mean? (a) 11 (b) 8 (c) 12 (d) 13
- 22.What is the mean of 15, 19, 2 and 20? (a) 14 (b) 15 (c) 13 (d) 16
- 23.What is the median of 30, 7, 4, 15 and 28? (a) 7 (b) 4 (c) 28 (d) 15
- 24.What is the median of 8, 13, 14, 15, 2, 10 and 27? (a) 10 (b) 15 (c) 13 (d) 14
- 25.What is the mean of 12, 14, 18, 12 and 19? (a) 17 (b) 16 (c) 14 (d) 15
- 26.The mean of 6 numbers is 18. When the number 32 is added to them, what is the new mean? (a) 18 (b) 25 (c) 20 (d) 21
- 27.The mean of 3 numbers is 38. When the number 46 is added to them, what is the new mean? (a) 40 (b) 38 (c) 41 (d) 42
- 28.The mean of 4 numbers is 31. When the number 16 is added to them, what is the new mean? (a) 31 (b) 29 (c) 27 (d) 28
- 29.What is the mean of 12, 14, 20 and 18? (a) 18 (b) 16 (c) 17 (d) 15
- 30.What is the mode of 16, 5, 14, 5, 16, 5 and 12? (a) 16 (b) 12 (c) 14 (d) 5
- 31.What is the mode of 11, 2, 2, 12, 19, 12 and 12? (a) 2 (b) 19 (c) 12 (d) 11
- 32.What is the median of 40, 6, 25, 24 and 11? (a) 23 (b) 11 (c) 25 (d) 24
- 33.What is the mean of 2, 7, 11, 2, 14 and 6? (a) 6 (b) 9 (c) 8 (d) 7
- 34.What is the mode of 19, 7, 19, 5, 17, 19 and 5? (a) 5 (b) 7 (c) 19 (d) 17
- 35.What is the median of 36, 19, 13, 16 and 22? (a) 16 (b) 13 (c) 22 (d) 19
- 36.The mean of 4 numbers is 20. When the number 25 is added to them, what is the new mean? (a) 20 (b) 21 (c) 23 (d) 22
- 37.What is the mean of 14, 19, 11 and 12? (a) 13 (b) 16 (c) 15 (d) 14
- 38.What is the median of 10, 1, 4, 36 and 20? (a) 20 (b) 11 (c) 10 (d) 4
- 39.What is the mean of 6, 8, 19 and 11? (a) 13 (b) 10 (c) 11 (d) 12
- 40.What is the median of 10, 27, 18, 26, 17, 9 and 36? (a) 26 (b) 19 (c) 18 (d) 17
Answer key
- 5
- 34
- 18
- 3
- 5
- 10
- 23
- 26
- 28
- 13
- 7
- 24
- 11
- 11
- 8
- 13
- 13
- 6
- 11
- 39
- 11
- 14
- 15
- 13
- 15
- 20
- 40
- 28
- 16
- 5
- 12
- 24
- 7
- 19
- 19
- 21
- 14
- 10
- 11
- 18
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