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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 48 · 40 questions
TalentJR

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. 1.What is the mean of 20, 18, 17, 2 and 3? (a) 10 (b) 12 (c) 13 (d) 15
  2. 2.What is the mean of 20, 17, 17, 20 and 6? (a) 15 (b) 16 (c) 17 (d) 20
  3. 3.What is the median of 11, 38, 22, 18 and 24? (a) 22 (b) 24 (c) 18 (d) 23
  4. 4.What is the mode of 2, 2, 9, 16, 9, 14 and 9? (a) 9 (b) 14 (c) 2 (d) 16
  5. 5.The mean of 3 numbers is 15. When the number 31 is added to them, what is the new mean? (a) 20 (b) 23 (c) 19 (d) 15
  6. 6.What is the mode of 20, 19, 17, 17, 19, 10 and 17? (a) 17 (b) 19 (c) 10 (d) 20
  7. 7.What is the median of 26, 28, 34, 16 and 37? (a) 28 (b) 26 (c) 34 (d) 29
  8. 8.What is the mean of 20, 9, 4, 10 and 17? (a) 12 (b) 10 (c) 13 (d) 15
  9. 9.What is the mode of 2, 2, 15, 9, 15, 2 and 1? (a) 15 (b) 9 (c) 2 (d) 1
  10. 10.What is the mode of 9, 2, 5, 9, 17, 9 and 5? (a) 17 (b) 5 (c) 2 (d) 9
  11. 11.What is the mode of 6, 1, 10, 6, 6, 10 and 9? (a) 10 (b) 9 (c) 6 (d) 1
  12. 12.What is the mean of 18, 13, 3 and 6? (a) 9 (b) 11 (c) 10 (d) 8
  13. 13.The mean of 9 numbers is 12. When the number 32 is added to them, what is the new mean? (a) 15 (b) 22 (c) 14 (d) 12
  14. 14.What is the mean of 4, 15, 8, 7 and 16? (a) 11 (b) 12 (c) 10 (d) 9
  15. 15.What is the mean of 6, 14, 14 and 18? (a) 13 (b) 14 (c) 12 (d) 15
  16. 16.What is the mean of 7, 13, 16, 16, 3 and 17? (a) 11 (b) 13 (c) 14 (d) 12
  17. 17.What is the mode of 6, 20, 6, 20, 17, 6 and 1? (a) 1 (b) 6 (c) 20 (d) 17
  18. 18.The mean of 6 numbers is 35. When the number 21 is added to them, what is the new mean? (a) 35 (b) 28 (c) 33 (d) 34
  19. 19.What is the mode of 5, 10, 10, 14, 7, 10 and 5? (a) 7 (b) 10 (c) 14 (d) 5
  20. 20.What is the median of 12, 4, 24, 35, 38, 29 and 34? (a) 29 (b) 34 (c) 35 (d) 24
  21. 21.What is the mode of 17, 6, 6, 14, 16, 16 and 6? (a) 6 (b) 14 (c) 16 (d) 17
  22. 22.The mean of 9 numbers is 15. When the number 5 is added to them, what is the new mean? (a) 14 (b) 15 (c) 13 (d) 10
  23. 23.The mean of 7 numbers is 17. When the number 49 is added to them, what is the new mean? (a) 17 (b) 22 (c) 21 (d) 33
  24. 24.What is the mean of 2, 2, 3, 11, 8 and 22? (a) 10 (b) 8 (c) 7 (d) 9
  25. 25.What is the mean of 8, 18, 8 and 6? (a) 9 (b) 10 (c) 11 (d) 8
  26. 26.What is the median of 30, 31, 33, 38 and 21? (a) 31 (b) 32 (c) 33 (d) 30
  27. 27.What is the mean of 9, 17, 12 and 10? (a) 13 (b) 11 (c) 12 (d) 16
  28. 28.What is the median of 40, 1, 3, 29 and 15? (a) 15 (b) 29 (c) 3 (d) 16
  29. 29.What is the mean of 8, 8, 4, 13 and 12? (a) 8 (b) 11 (c) 9 (d) 10
  30. 30.What is the mean of 19, 4, 20 and 21? (a) 17 (b) 15 (c) 18 (d) 16
  31. 31.What is the mode of 17, 17, 3, 4, 3, 20 and 3? (a) 3 (b) 17 (c) 4 (d) 20
  32. 32.What is the median of 27, 35, 3, 10, 13, 2 and 28? (a) 27 (b) 10 (c) 13 (d) 14
  33. 33.What is the median of 22, 27, 32, 38, 25, 29 and 36? (a) 38 (b) 32 (c) 27 (d) 29
  34. 34.What is the mean of 9, 8, 18, 6 and 14? (a) 12 (b) 13 (c) 11 (d) 10
  35. 35.What is the mode of 6, 6, 17, 11, 10, 17 and 6? (a) 17 (b) 11 (c) 6 (d) 10
  36. 36.What is the mode of 15, 15, 12, 15, 12, 2 and 8? (a) 15 (b) 12 (c) 8 (d) 2
  37. 37.What is the median of 32, 5, 6, 39 and 19? (a) 20 (b) 32 (c) 19 (d) 6
  38. 38.What is the mean of 20, 6, 16 and 14? (a) 15 (b) 13 (c) 14 (d) 16
  39. 39.What is the mode of 3, 19, 12, 19, 19, 12 and 18? (a) 12 (b) 18 (c) 19 (d) 3
  40. 40.What is the mean of 20, 18, 16, 14, 18 and 16? (a) 16 (b) 19 (c) 18 (d) 17

Answer key

  1. 12
  2. 16
  3. 22
  4. 9
  5. 19
  6. 17
  7. 28
  8. 12
  9. 2
  10. 9
  11. 6
  12. 10
  13. 14
  14. 10
  15. 13
  16. 12
  17. 6
  18. 33
  19. 10
  20. 29
  21. 6
  22. 14
  23. 21
  24. 8
  25. 10
  26. 31
  27. 12
  28. 15
  29. 9
  30. 16
  31. 3
  32. 13
  33. 29
  34. 11
  35. 6
  36. 15
  37. 19
  38. 14
  39. 19
  40. 17

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