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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 486 · 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 3, 3, 7, 6, 9 and 20? (a) 9 (b) 8 (c) 7 (d) 10
  2. 2.What is the mean of 14, 8, 3 and 7? (a) 7 (b) 8 (c) 9 (d) 10
  3. 3.What is the mean of 15, 2, 15 and 12? (a) 12 (b) 10 (c) 13 (d) 11
  4. 4.What is the median of 20, 39, 2, 19, 28, 15 and 6? (a) 19 (b) 15 (c) 18 (d) 20
  5. 5.The mean of 3 numbers is 33. When the number 37 is added to them, what is the new mean? (a) 36 (b) 35 (c) 33 (d) 34
  6. 6.What is the median of 6, 3, 27, 25 and 12? (a) 25 (b) 12 (c) 6 (d) 27
  7. 7.What is the mean of 20, 10, 17 and 9? (a) 15 (b) 14 (c) 16 (d) 13
  8. 8.What is the mode of 1, 19, 1, 1, 6, 2 and 6? (a) 6 (b) 1 (c) 2 (d) 19
  9. 9.What is the mean of 16, 3, 16, 5, 6 and 8? (a) 9 (b) 10 (c) 11 (d) 8
  10. 10.What is the median of 40, 24, 13, 23 and 2? (a) 24 (b) 13 (c) 22 (d) 23
  11. 11.What is the mode of 20, 14, 14, 12, 12, 12 and 4? (a) 12 (b) 4 (c) 20 (d) 14
  12. 12.What is the mode of 6, 6, 7, 9, 7, 7 and 17? (a) 7 (b) 6 (c) 9 (d) 17
  13. 13.What is the mean of 17, 2, 19, 19 and 8? (a) 12 (b) 15 (c) 13 (d) 14
  14. 14.What is the mean of 19, 13, 11 and 17? (a) 20 (b) 15 (c) 16 (d) 12
  15. 15.What is the median of 30, 11, 8, 5, 32, 35 and 3? (a) 11 (b) 8 (c) 30 (d) 5
  16. 16.What is the mean of 19, 15, 2, 10, 6 and 14? (a) 11 (b) 13 (c) 10 (d) 12
  17. 17.What is the median of 10, 20, 15, 4 and 28? (a) 15 (b) 20 (c) 10 (d) 16
  18. 18.What is the median of 18, 26, 2, 36 and 21? (a) 21 (b) 2 (c) 18 (d) 26
  19. 19.What is the median of 7, 8, 3, 36, 29, 4 and 12? (a) 36 (b) 7 (c) 8 (d) 12
  20. 20.What is the mean of 17, 10, 19 and 10? (a) 15 (b) 14 (c) 13 (d) 16
  21. 21.The mean of 4 numbers is 18. When the number 13 is added to them, what is the new mean? (a) 19 (b) 16 (c) 18 (d) 17
  22. 22.What is the mean of 2, 4, 17, 4, 16 and 17? (a) 10 (b) 9 (c) 11 (d) 12
  23. 23.What is the median of 2, 17, 1, 29, 3, 22 and 25? (a) 17 (b) 22 (c) 29 (d) 3
  24. 24.What is the mean of 14, 17, 9 and 4? (a) 10 (b) 11 (c) 12 (d) 13
  25. 25.What is the mode of 9, 17, 20, 8, 8, 8 and 9? (a) 20 (b) 17 (c) 9 (d) 8
  26. 26.What is the median of 28, 24, 4, 15 and 35? (a) 24 (b) 4 (c) 28 (d) 15
  27. 27.What is the mode of 20, 7, 7, 10, 9, 7 and 9? (a) 7 (b) 10 (c) 20 (d) 9
  28. 28.What is the median of 22, 37, 19, 8 and 38? (a) 23 (b) 19 (c) 37 (d) 22
  29. 29.What is the median of 6, 1, 26, 14, 2, 4 and 7? (a) 14 (b) 4 (c) 6 (d) 7
  30. 30.What is the mean of 14, 2, 14 and 10? (a) 11 (b) 9 (c) 8 (d) 10
  31. 31.The mean of 7 numbers is 35. When the number 11 is added to them, what is the new mean? (a) 33 (b) 35 (c) 23 (d) 32
  32. 32.What is the median of 4, 31, 38, 8, 18, 29 and 20? (a) 20 (b) 29 (c) 18 (d) 8
  33. 33.What is the mean of 16, 3, 10, 5, 13 and 25? (a) 12 (b) 13 (c) 14 (d) 11
  34. 34.What is the mean of 7, 19, 5, 13, 19 and 15? (a) 15 (b) 13 (c) 12 (d) 14
  35. 35.What is the mean of 16, 3, 17 and 8? (a) 11 (b) 10 (c) 13 (d) 12
  36. 36.What is the mode of 3, 12, 17, 3, 8, 3 and 8? (a) 12 (b) 17 (c) 8 (d) 3
  37. 37.What is the mean of 6, 9, 20, 13 and 12? (a) 15 (b) 13 (c) 10 (d) 12
  38. 38.What is the median of 10, 6, 18, 29, 12, 17 and 25? (a) 17 (b) 29 (c) 18 (d) 12
  39. 39.The mean of 4 numbers is 12. When the number 2 is added to them, what is the new mean? (a) 12 (b) 11 (c) 10 (d) 7
  40. 40.What is the mean of 4, 13, 9 and 18? (a) 13 (b) 12 (c) 10 (d) 11

Answer key

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

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