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.The mean of 5 numbers is 36. When the number 42 is added to them, what is the new mean? (a) 36 (b) 39 (c) 38 (d) 37
- 2.What is the median of 8, 40, 28, 14 and 2? (a) 14 (b) 8 (c) 15 (d) 28
- 3.The mean of 3 numbers is 26. When the number 42 is added to them, what is the new mean? (a) 34 (b) 31 (c) 30 (d) 26
- 4.What is the median of 29, 12, 6, 37 and 36? (a) 29 (b) 6 (c) 36 (d) 24
- 5.What is the mode of 16, 14, 18, 14, 6, 14 and 16? (a) 14 (b) 6 (c) 18 (d) 16
- 6.The mean of 3 numbers is 40. When the number 28 is added to them, what is the new mean? (a) 38 (b) 34 (c) 37 (d) 40
- 7.What is the mode of 5, 2, 2, 17, 17, 16 and 2? (a) 2 (b) 16 (c) 17 (d) 5
- 8.The mean of 4 numbers is 36. When the number 51 is added to them, what is the new mean? (a) 38 (b) 36 (c) 40 (d) 39
- 9.What is the mean of 13, 2, 7 and 14? (a) 10 (b) 9 (c) 8 (d) 12
- 10.What is the median of 18, 25, 28, 26, 2, 13 and 22? (a) 22 (b) 25 (c) 18 (d) 26
- 11.What is the mean of 8, 12, 13, 9, 18 and 18? (a) 13 (b) 15 (c) 14 (d) 12
- 12.What is the median of 35, 4, 25, 19, 3, 36 and 23? (a) 25 (b) 24 (c) 23 (d) 19
- 13.What is the mode of 15, 14, 8, 8, 5, 14 and 14? (a) 14 (b) 15 (c) 8 (d) 5
- 14.What is the mode of 13, 13, 14, 5, 13, 14 and 10? (a) 13 (b) 14 (c) 10 (d) 5
- 15.The mean of 9 numbers is 20. When the number 30 is added to them, what is the new mean? (a) 20 (b) 22 (c) 25 (d) 21
- 16.What is the median of 24, 39, 28, 4, 29, 9 and 36? (a) 29 (b) 28 (c) 24 (d) 4
- 17.What is the mode of 4, 11, 11, 17, 4, 3 and 4? (a) 3 (b) 11 (c) 4 (d) 17
- 18.What is the median of 19, 11, 28, 32 and 23? (a) 23 (b) 28 (c) 24 (d) 19
- 19.What is the median of 34, 28, 9, 31, 25, 11 and 6? (a) 31 (b) 25 (c) 11 (d) 28
- 20.What is the mean of 12, 3, 15, 8 and 17? (a) 13 (b) 10 (c) 12 (d) 11
- 21.The mean of 8 numbers is 12. When the number 30 is added to them, what is the new mean? (a) 15 (b) 21 (c) 14 (d) 12
- 22.What is the median of 4, 8, 37, 26 and 7? (a) 7 (b) 8 (c) 26 (d) 37
- 23.The mean of 6 numbers is 30. When the number 37 is added to them, what is the new mean? (a) 31 (b) 33 (c) 32 (d) 30
- 24.What is the mode of 10, 9, 3, 12, 3, 9 and 9? (a) 3 (b) 10 (c) 12 (d) 9
- 25.What is the mean of 6, 2, 2, 3, 20 and 9? (a) 7 (b) 9 (c) 6 (d) 8
- 26.What is the mean of 6, 10, 4, 18, 13 and 9? (a) 9 (b) 10 (c) 12 (d) 11
- 27.What is the mode of 19, 15, 19, 18, 18, 6 and 18? (a) 6 (b) 19 (c) 18 (d) 15
- 28.The mean of 6 numbers is 29. When the number 15 is added to them, what is the new mean? (a) 29 (b) 28 (c) 22 (d) 27
- 29.What is the mode of 6, 18, 8, 8, 11, 6 and 8? (a) 6 (b) 8 (c) 11 (d) 18
- 30.What is the mean of 13, 16, 8, 15 and 13? (a) 15 (b) 14 (c) 13 (d) 12
- 31.The mean of 3 numbers is 20. When the number 16 is added to them, what is the new mean? (a) 19 (b) 20 (c) 21 (d) 18
- 32.What is the median of 15, 9, 4, 5 and 8? (a) 9 (b) 4 (c) 5 (d) 8
- 33.What is the median of 1, 24, 5, 6 and 22? (a) 6 (b) 7 (c) 5 (d) 22
- 34.What is the mode of 12, 3, 18, 18, 3, 10 and 18? (a) 18 (b) 12 (c) 10 (d) 3
- 35.What is the mean of 4, 17, 12, 20 and 7? (a) 13 (b) 15 (c) 10 (d) 12
- 36.The mean of 3 numbers is 11. When the number 7 is added to them, what is the new mean? (a) 12 (b) 10 (c) 9 (d) 11
- 37.The mean of 5 numbers is 38. When the number 62 is added to them, what is the new mean? (a) 50 (b) 38 (c) 43 (d) 42
- 38.What is the mean of 3, 2, 13, 18, 14 and 16? (a) 13 (b) 12 (c) 11 (d) 10
- 39.What is the mode of 6, 6, 1, 16, 7, 16 and 16? (a) 7 (b) 1 (c) 6 (d) 16
- 40.What is the median of 1, 40, 13, 26 and 9? (a) 9 (b) 13 (c) 26 (d) 14
Answer key
- 37
- 14
- 30
- 29
- 14
- 37
- 2
- 39
- 9
- 22
- 13
- 23
- 14
- 13
- 21
- 28
- 4
- 23
- 25
- 11
- 14
- 8
- 31
- 9
- 7
- 10
- 18
- 27
- 8
- 13
- 19
- 8
- 6
- 18
- 12
- 10
- 42
- 11
- 16
- 13
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