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