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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 551 · 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 9, 4, 9 and 6? (a) 9 (b) 6 (c) 8 (d) 7
  2. 2.What is the mean of 6, 14, 20, 3 and 12? (a) 12 (b) 11 (c) 13 (d) 10
  3. 3.What is the mean of 17, 15, 13 and 19? (a) 18 (b) 15 (c) 16 (d) 17
  4. 4.What is the median of 16, 32, 18, 14 and 20? (a) 19 (b) 20 (c) 16 (d) 18
  5. 5.What is the mode of 4, 19, 16, 19, 4, 8 and 19? (a) 4 (b) 16 (c) 19 (d) 8
  6. 6.What is the median of 23, 5, 34, 20, 7, 26 and 1? (a) 21 (b) 7 (c) 20 (d) 23
  7. 7.What is the mode of 16, 19, 16, 16, 20, 19 and 7? (a) 16 (b) 19 (c) 20 (d) 7
  8. 8.What is the mean of 12, 12, 16 and 20? (a) 16 (b) 20 (c) 15 (d) 12
  9. 9.What is the median of 20, 16, 33, 14 and 23? (a) 20 (b) 23 (c) 16 (d) 33
  10. 10.What is the mean of 2, 7, 3 and 4? (a) 5 (b) 6 (c) 3 (d) 4
  11. 11.What is the mode of 12, 12, 5, 2, 5, 7 and 5? (a) 5 (b) 12 (c) 2 (d) 7
  12. 12.What is the median of 31, 11, 9, 3 and 35? (a) 31 (b) 11 (c) 12 (d) 9
  13. 13.What is the mean of 14, 18, 18 and 6? (a) 14 (b) 15 (c) 16 (d) 13
  14. 14.What is the median of 13, 25, 16, 2 and 3? (a) 3 (b) 14 (c) 13 (d) 16
  15. 15.What is the mean of 10, 11, 8, 13, 5 and 19? (a) 10 (b) 12 (c) 11 (d) 13
  16. 16.What is the mean of 4, 3, 3, 19 and 6? (a) 9 (b) 8 (c) 7 (d) 6
  17. 17.What is the median of 6, 33, 38, 9 and 4? (a) 38 (b) 33 (c) 18 (d) 9
  18. 18.What is the mean of 15, 13, 12, 11, 16 and 17? (a) 13 (b) 15 (c) 12 (d) 14
  19. 19.What is the mode of 19, 19, 5, 5, 10, 19 and 15? (a) 10 (b) 15 (c) 19 (d) 5
  20. 20.The mean of 8 numbers is 18. When the number 9 is added to them, what is the new mean? (a) 16 (b) 19 (c) 18 (d) 17
  21. 21.What is the mean of 17, 11, 4, 16 and 12? (a) 15 (b) 13 (c) 12 (d) 10
  22. 22.What is the mean of 3, 9, 14, 6, 18 and 16? (a) 10 (b) 12 (c) 13 (d) 11
  23. 23.What is the median of 21, 22, 9, 37 and 7? (a) 22 (b) 9 (c) 20 (d) 21
  24. 24.What is the mean of 19, 18, 20 and 7? (a) 17 (b) 18 (c) 16 (d) 15
  25. 25.What is the mode of 10, 1, 1, 10, 1, 16 and 2? (a) 2 (b) 1 (c) 10 (d) 16
  26. 26.What is the mean of 14, 14, 13, 11, 12 and 14? (a) 12 (b) 13 (c) 14 (d) 15
  27. 27.What is the median of 36, 9, 16, 39, 27, 3 and 29? (a) 27 (b) 16 (c) 39 (d) 29
  28. 28.What is the mean of 8, 6, 20, 7 and 14? (a) 11 (b) 13 (c) 10 (d) 12
  29. 29.What is the mean of 4, 14, 17, 14 and 21? (a) 16 (b) 14 (c) 13 (d) 15
  30. 30.The mean of 3 numbers is 26. When the number 10 is added to them, what is the new mean? (a) 23 (b) 22 (c) 26 (d) 18
  31. 31.What is the median of 5, 11, 3, 2, 4, 34 and 32? (a) 5 (b) 2 (c) 11 (d) 13
  32. 32.What is the mode of 17, 15, 17, 15, 1, 17 and 5? (a) 17 (b) 15 (c) 1 (d) 5
  33. 33.What is the median of 11, 34, 21, 16 and 10? (a) 16 (b) 21 (c) 11 (d) 17
  34. 34.The mean of 3 numbers is 33. When the number 49 is added to them, what is the new mean? (a) 41 (b) 33 (c) 37 (d) 38
  35. 35.What is the mode of 15, 2, 15, 2, 9, 2 and 5? (a) 5 (b) 9 (c) 2 (d) 15
  36. 36.What is the median of 29, 2, 34, 18, 10, 36 and 26? (a) 29 (b) 18 (c) 26 (d) 27
  37. 37.What is the mode of 18, 18, 18, 6, 17, 17 and 13? (a) 13 (b) 17 (c) 18 (d) 6
  38. 38.The mean of 7 numbers is 40. When the number 72 is added to them, what is the new mean? (a) 45 (b) 44 (c) 40 (d) 56
  39. 39.The mean of 3 numbers is 23. When the number 15 is added to them, what is the new mean? (a) 23 (b) 19 (c) 22 (d) 21
  40. 40.What is the mean of 12, 20, 15, 3, 2 and 14? (a) 12 (b) 13 (c) 10 (d) 11

Answer key

  1. 7
  2. 11
  3. 16
  4. 18
  5. 19
  6. 20
  7. 16
  8. 15
  9. 20
  10. 4
  11. 5
  12. 11
  13. 14
  14. 13
  15. 11
  16. 7
  17. 9
  18. 14
  19. 19
  20. 17
  21. 12
  22. 11
  23. 21
  24. 16
  25. 1
  26. 13
  27. 27
  28. 11
  29. 14
  30. 22
  31. 5
  32. 17
  33. 16
  34. 37
  35. 2
  36. 26
  37. 18
  38. 44
  39. 21
  40. 11

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