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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 789 · 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 2, 14, 7, 18, 14 and 11? (a) 12 (b) 13 (c) 11 (d) 10
  2. 2.What is the mode of 4, 14, 4, 18, 4, 2 and 18? (a) 18 (b) 2 (c) 14 (d) 4
  3. 3.The mean of 4 numbers is 40. When the number 30 is added to them, what is the new mean? (a) 40 (b) 35 (c) 38 (d) 39
  4. 4.The mean of 5 numbers is 36. When the number 54 is added to them, what is the new mean? (a) 40 (b) 45 (c) 39 (d) 36
  5. 5.What is the mode of 4, 4, 18, 16, 3, 4 and 3? (a) 4 (b) 18 (c) 3 (d) 16
  6. 6.The mean of 7 numbers is 25. When the number 9 is added to them, what is the new mean? (a) 24 (b) 23 (c) 17 (d) 25
  7. 7.What is the median of 19, 1, 21, 5, 32, 4 and 40? (a) 21 (b) 19 (c) 5 (d) 20
  8. 8.What is the mean of 6, 4, 11, 7 and 7? (a) 6 (b) 7 (c) 8 (d) 9
  9. 9.What is the median of 37, 6, 31, 16 and 32? (a) 31 (b) 30 (c) 16 (d) 32
  10. 10.The mean of 4 numbers is 35. When the number 30 is added to them, what is the new mean? (a) 35 (b) 34 (c) 33 (d) 36
  11. 11.What is the mean of 4, 16, 18, 3, 4 and 15? (a) 12 (b) 10 (c) 11 (d) 9
  12. 12.What is the median of 3, 26, 1, 40 and 29? (a) 1 (b) 29 (c) 26 (d) 3
  13. 13.What is the mode of 14, 6, 17, 1, 17, 1 and 17? (a) 17 (b) 14 (c) 1 (d) 6
  14. 14.What is the mean of 14, 17, 15, 13 and 11? (a) 13 (b) 16 (c) 14 (d) 15
  15. 15.What is the median of 30, 40, 6, 7, 19, 34 and 35? (a) 30 (b) 19 (c) 34 (d) 7
  16. 16.What is the mode of 5, 8, 17, 8, 17, 17 and 20? (a) 20 (b) 8 (c) 5 (d) 17
  17. 17.What is the mean of 8, 15, 4 and 21? (a) 13 (b) 12 (c) 11 (d) 16
  18. 18.What is the median of 22, 31, 2, 9 and 33? (a) 2 (b) 31 (c) 9 (d) 22
  19. 19.What is the mode of 11, 20, 13, 15, 15, 13 and 15? (a) 11 (b) 13 (c) 15 (d) 20
  20. 20.The mean of 6 numbers is 37. When the number 58 is added to them, what is the new mean? (a) 37 (b) 41 (c) 40 (d) 39
  21. 21.What is the mode of 17, 19, 17, 2, 18, 19 and 19? (a) 17 (b) 2 (c) 19 (d) 18
  22. 22.The mean of 4 numbers is 29. When the number 9 is added to them, what is the new mean? (a) 25 (b) 19 (c) 29 (d) 26
  23. 23.What is the mean of 16, 13, 11 and 16? (a) 16 (b) 13 (c) 15 (d) 14
  24. 24.What is the mode of 6, 14, 14, 1, 2, 1 and 14? (a) 14 (b) 2 (c) 1 (d) 6
  25. 25.What is the mean of 16, 7, 4, 12, 12 and 15? (a) 11 (b) 12 (c) 13 (d) 10
  26. 26.What is the mode of 19, 12, 19, 7, 3, 19 and 12? (a) 19 (b) 7 (c) 12 (d) 3
  27. 27.What is the median of 23, 3, 12, 7 and 10? (a) 12 (b) 7 (c) 10 (d) 11
  28. 28.The mean of 5 numbers is 19. When the number 43 is added to them, what is the new mean? (a) 19 (b) 24 (c) 23 (d) 31
  29. 29.What is the mean of 12, 9, 10, 3, 2 and 6? (a) 8 (b) 9 (c) 6 (d) 7
  30. 30.The mean of 9 numbers is 35. When the number 25 is added to them, what is the new mean? (a) 30 (b) 34 (c) 33 (d) 35
  31. 31.What is the median of 39, 2, 20, 26 and 27? (a) 20 (b) 27 (c) 26 (d) 25
  32. 32.What is the mean of 16, 7, 19, 8 and 5? (a) 13 (b) 11 (c) 12 (d) 10
  33. 33.The mean of 4 numbers is 13. When the number 28 is added to them, what is the new mean? (a) 13 (b) 15 (c) 17 (d) 16
  34. 34.What is the mode of 10, 10, 10, 19, 19, 6 and 1? (a) 6 (b) 19 (c) 10 (d) 1
  35. 35.What is the mean of 7, 15, 10 and 20? (a) 12 (b) 13 (c) 14 (d) 15
  36. 36.What is the mean of 19, 20, 10, 12 and 4? (a) 13 (b) 15 (c) 12 (d) 14
  37. 37.What is the mean of 17, 13, 2 and 8? (a) 9 (b) 11 (c) 10 (d) 8
  38. 38.What is the mean of 16, 19, 14, 10 and 11? (a) 14 (b) 16 (c) 13 (d) 15
  39. 39.The mean of 6 numbers is 21. When the number 14 is added to them, what is the new mean? (a) 21 (b) 22 (c) 20 (d) 19
  40. 40.What is the mode of 4, 15, 4, 6, 2, 15 and 15? (a) 15 (b) 6 (c) 2 (d) 4

Answer key

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

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