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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 871 · 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 median of 16, 9, 28, 30, 1, 32 and 19? (a) 16 (b) 19 (c) 30 (d) 28
  2. 2.What is the mean of 12, 3, 8, 11 and 16? (a) 11 (b) 12 (c) 10 (d) 9
  3. 3.What is the mean of 5, 12, 5, 19, 7 and 6? (a) 11 (b) 10 (c) 8 (d) 9
  4. 4.What is the mean of 5, 15, 16 and 8? (a) 12 (b) 13 (c) 11 (d) 10
  5. 5.What is the median of 12, 22, 33, 13, 40, 30 and 17? (a) 17 (b) 22 (c) 13 (d) 30
  6. 6.What is the mean of 7, 3, 20 and 6? (a) 9 (b) 10 (c) 8 (d) 12
  7. 7.What is the mean of 5, 15, 11, 2, 7 and 14? (a) 8 (b) 11 (c) 10 (d) 9
  8. 8.The mean of 3 numbers is 35. When the number 51 is added to them, what is the new mean? (a) 39 (b) 35 (c) 43 (d) 40
  9. 9.What is the median of 31, 7, 40, 1 and 5? (a) 7 (b) 40 (c) 5 (d) 31
  10. 10.What is the median of 40, 38, 11, 9, 4, 37 and 15? (a) 22 (b) 9 (c) 37 (d) 15
  11. 11.What is the mode of 11, 4, 1, 11, 20, 11 and 20? (a) 20 (b) 4 (c) 1 (d) 11
  12. 12.What is the mode of 10, 1, 11, 7, 10, 1 and 10? (a) 7 (b) 11 (c) 1 (d) 10
  13. 13.The mean of 4 numbers is 39. When the number 34 is added to them, what is the new mean? (a) 39 (b) 40 (c) 37 (d) 38
  14. 14.The mean of 3 numbers is 22. When the number 38 is added to them, what is the new mean? (a) 22 (b) 27 (c) 26 (d) 30
  15. 15.The mean of 7 numbers is 22. When the number 46 is added to them, what is the new mean? (a) 25 (b) 22 (c) 26 (d) 34
  16. 16.The mean of 9 numbers is 12. When the number 22 is added to them, what is the new mean? (a) 17 (b) 14 (c) 12 (d) 13
  17. 17.What is the mode of 17, 2, 6, 17, 6, 13 and 6? (a) 6 (b) 17 (c) 2 (d) 13
  18. 18.What is the mean of 16, 10, 20 and 14? (a) 20 (b) 15 (c) 16 (d) 12
  19. 19.What is the mean of 4, 14, 2, 20, 3 and 11? (a) 11 (b) 8 (c) 10 (d) 9
  20. 20.What is the mode of 16, 2, 6, 16, 2, 17 and 2? (a) 6 (b) 17 (c) 16 (d) 2
  21. 21.What is the median of 37, 17, 20, 12 and 38? (a) 20 (b) 17 (c) 37 (d) 21
  22. 22.What is the mode of 11, 11, 1, 9, 11, 1 and 7? (a) 9 (b) 11 (c) 7 (d) 1
  23. 23.What is the mode of 6, 13, 4, 6, 20, 13 and 6? (a) 4 (b) 13 (c) 20 (d) 6
  24. 24.What is the median of 13, 5, 20, 10 and 2? (a) 13 (b) 20 (c) 5 (d) 10
  25. 25.What is the mode of 5, 15, 5, 4, 4, 5 and 6? (a) 5 (b) 4 (c) 15 (d) 6
  26. 26.What is the mode of 17, 8, 8, 16, 1, 16 and 8? (a) 8 (b) 17 (c) 16 (d) 1
  27. 27.What is the median of 25, 16, 2, 21 and 27? (a) 21 (b) 16 (c) 25 (d) 2
  28. 28.What is the mode of 6, 16, 16, 16, 2, 12 and 6? (a) 12 (b) 6 (c) 2 (d) 16
  29. 29.What is the median of 28, 9, 22, 40 and 11? (a) 23 (b) 28 (c) 11 (d) 22
  30. 30.What is the median of 32, 22, 26, 30 and 5? (a) 26 (b) 30 (c) 23 (d) 22
  31. 31.What is the mean of 2, 5, 5, 15 and 13? (a) 9 (b) 8 (c) 10 (d) 7
  32. 32.The mean of 8 numbers is 39. When the number 3 is added to them, what is the new mean? (a) 39 (b) 36 (c) 35 (d) 21
  33. 33.What is the mode of 6, 15, 15, 11, 15, 6 and 14? (a) 6 (b) 14 (c) 15 (d) 11
  34. 34.What is the mean of 5, 20, 3 and 16? (a) 11 (b) 12 (c) 10 (d) 13
  35. 35.The mean of 7 numbers is 28. When the number 20 is added to them, what is the new mean? (a) 28 (b) 26 (c) 27 (d) 24
  36. 36.What is the median of 7, 14, 24, 15 and 8? (a) 24 (b) 8 (c) 14 (d) 15
  37. 37.What is the mean of 13, 17, 3, 20 and 7? (a) 13 (b) 12 (c) 15 (d) 10
  38. 38.What is the mean of 6, 13, 18 and 19? (a) 16 (b) 14 (c) 13 (d) 15
  39. 39.The mean of 7 numbers is 33. When the number 49 is added to them, what is the new mean? (a) 33 (b) 36 (c) 41 (d) 35
  40. 40.What is the median of 6, 10, 36, 28, 30, 5 and 32? (a) 10 (b) 30 (c) 28 (d) 21

Answer key

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

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