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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 542 · 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 13, 14, 19 and 18? (a) 15 (b) 17 (c) 16 (d) 18
  2. 2.What is the median of 33, 5, 38, 15, 7, 18 and 32? (a) 15 (b) 18 (c) 19 (d) 32
  3. 3.What is the mode of 1, 3, 19, 1, 20, 19 and 19? (a) 20 (b) 19 (c) 1 (d) 3
  4. 4.What is the median of 2, 7, 34, 15, 6, 40 and 39? (a) 7 (b) 15 (c) 16 (d) 34
  5. 5.The mean of 5 numbers is 21. When the number 15 is added to them, what is the new mean? (a) 18 (b) 21 (c) 19 (d) 20
  6. 6.What is the mean of 3, 6, 9, 18, 4 and 2? (a) 9 (b) 8 (c) 7 (d) 6
  7. 7.What is the mean of 11, 6, 18 and 5? (a) 9 (b) 11 (c) 10 (d) 8
  8. 8.The mean of 3 numbers is 39. When the number 35 is added to them, what is the new mean? (a) 37 (b) 38 (c) 40 (d) 39
  9. 9.What is the median of 7, 39, 40, 24, 10, 13 and 33? (a) 25 (b) 33 (c) 13 (d) 24
  10. 10.What is the mode of 16, 10, 18, 18, 15, 18 and 15? (a) 18 (b) 16 (c) 15 (d) 10
  11. 11.What is the mean of 2, 10, 15, 8 and 20? (a) 12 (b) 10 (c) 11 (d) 13
  12. 12.What is the mode of 8, 20, 18, 8, 4, 4 and 4? (a) 18 (b) 8 (c) 4 (d) 20
  13. 13.What is the mode of 19, 16, 4, 4, 16, 7 and 4? (a) 7 (b) 16 (c) 4 (d) 19
  14. 14.What is the median of 14, 24, 32, 7 and 5? (a) 7 (b) 24 (c) 14 (d) 32
  15. 15.What is the median of 5, 36, 6, 29 and 33? (a) 29 (b) 33 (c) 30 (d) 6
  16. 16.What is the mode of 12, 12, 6, 9, 6, 4 and 6? (a) 9 (b) 12 (c) 4 (d) 6
  17. 17.What is the mean of 2, 13, 18, 16 and 16? (a) 14 (b) 12 (c) 13 (d) 15
  18. 18.What is the median of 30, 19, 36, 20, 35, 40 and 37? (a) 20 (b) 36 (c) 35 (d) 31
  19. 19.What is the mode of 7, 7, 18, 3, 3, 4 and 7? (a) 4 (b) 7 (c) 3 (d) 18
  20. 20.The mean of 5 numbers is 19. When the number 25 is added to them, what is the new mean? (a) 19 (b) 22 (c) 21 (d) 20
  21. 21.What is the mean of 20, 17, 14 and 13? (a) 17 (b) 18 (c) 16 (d) 15
  22. 22.What is the mode of 5, 11, 11, 5, 2, 10 and 11? (a) 11 (b) 10 (c) 2 (d) 5
  23. 23.What is the mean of 15, 11, 19, 9 and 21? (a) 15 (b) 16 (c) 17 (d) 14
  24. 24.What is the median of 1, 22, 8, 15, 10, 7 and 12? (a) 15 (b) 10 (c) 8 (d) 12
  25. 25.What is the median of 12, 14, 34, 7 and 15? (a) 34 (b) 15 (c) 12 (d) 14
  26. 26.What is the mean of 11, 15, 5, 5, 9 and 9? (a) 9 (b) 10 (c) 8 (d) 11
  27. 27.What is the median of 19, 14, 18, 39 and 38? (a) 20 (b) 19 (c) 18 (d) 38
  28. 28.What is the mean of 9, 18, 16, 14 and 3? (a) 12 (b) 13 (c) 10 (d) 15
  29. 29.What is the median of 24, 8, 26, 5, 10, 33 and 38? (a) 5 (b) 24 (c) 10 (d) 26
  30. 30.What is the mean of 4, 14, 6 and 12? (a) 9 (b) 12 (c) 8 (d) 10
  31. 31.What is the mean of 5, 3, 5, 6, 6 and 5? (a) 7 (b) 5 (c) 6 (d) 4
  32. 32.The mean of 4 numbers is 19. When the number 39 is added to them, what is the new mean? (a) 19 (b) 29 (c) 23 (d) 24
  33. 33.What is the mode of 8, 8, 8, 16, 16, 15 and 13? (a) 8 (b) 13 (c) 16 (d) 15
  34. 34.What is the mode of 11, 18, 14, 14, 18, 6 and 18? (a) 6 (b) 18 (c) 14 (d) 11
  35. 35.What is the median of 37, 34, 40, 8, 20, 9 and 29? (a) 29 (b) 8 (c) 34 (d) 20
  36. 36.What is the median of 38, 39, 9, 11, 5, 20 and 29? (a) 11 (b) 21 (c) 29 (d) 20
  37. 37.What is the mean of 17, 3, 17, 11, 8 and 10? (a) 12 (b) 13 (c) 11 (d) 10
  38. 38.What is the mode of 7, 5, 3, 2, 3, 2 and 2? (a) 3 (b) 7 (c) 5 (d) 2
  39. 39.The mean of 6 numbers is 15. When the number 29 is added to them, what is the new mean? (a) 18 (b) 22 (c) 17 (d) 15
  40. 40.What is the median of 15, 39, 31, 5, 21, 20 and 4? (a) 21 (b) 5 (c) 15 (d) 20

Answer key

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

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