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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 595 · 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 14, 6, 6 and 18? (a) 13 (b) 12 (c) 10 (d) 11
  2. 2.What is the median of 31, 4, 37, 11 and 5? (a) 37 (b) 11 (c) 5 (d) 31
  3. 3.What is the mean of 14, 13, 15, 20, 3 and 19? (a) 13 (b) 15 (c) 12 (d) 14
  4. 4.What is the mode of 9, 9, 16, 15, 2, 9 and 15? (a) 9 (b) 16 (c) 2 (d) 15
  5. 5.What is the mean of 11, 20, 9, 3, 16 and 7? (a) 12 (b) 13 (c) 11 (d) 10
  6. 6.What is the mode of 16, 1, 16, 16, 1, 3 and 8? (a) 1 (b) 16 (c) 8 (d) 3
  7. 7.The mean of 6 numbers is 22. When the number 15 is added to them, what is the new mean? (a) 20 (b) 21 (c) 23 (d) 22
  8. 8.What is the median of 9, 36, 25, 13, 26, 11 and 15? (a) 25 (b) 16 (c) 15 (d) 13
  9. 9.What is the mean of 5, 19, 15, 16, 15 and 20? (a) 14 (b) 18 (c) 16 (d) 15
  10. 10.What is the mode of 4, 1, 4, 1, 3, 1 and 16? (a) 1 (b) 4 (c) 16 (d) 3
  11. 11.What is the mode of 9, 9, 19, 6, 19, 18 and 9? (a) 19 (b) 9 (c) 6 (d) 18
  12. 12.What is the mean of 4, 20, 6 and 14? (a) 10 (b) 11 (c) 13 (d) 12
  13. 13.What is the mean of 12, 17, 16, 9 and 11? (a) 14 (b) 15 (c) 12 (d) 13
  14. 14.What is the mean of 14, 18, 16, 13, 18 and 17? (a) 16 (b) 15 (c) 17 (d) 18
  15. 15.The mean of 3 numbers is 17. When the number 29 is added to them, what is the new mean? (a) 21 (b) 20 (c) 23 (d) 17
  16. 16.What is the mean of 2, 4, 11, 17, 9 and 5? (a) 8 (b) 10 (c) 7 (d) 9
  17. 17.What is the mean of 15, 20, 15 and 6? (a) 15 (b) 16 (c) 14 (d) 13
  18. 18.What is the mean of 4, 18, 17, 13, 6 and 14? (a) 14 (b) 13 (c) 11 (d) 12
  19. 19.The mean of 8 numbers is 28. When the number 10 is added to them, what is the new mean? (a) 27 (b) 19 (c) 26 (d) 28
  20. 20.The mean of 7 numbers is 10. When the number 18 is added to them, what is the new mean? (a) 14 (b) 11 (c) 10 (d) 12
  21. 21.The mean of 4 numbers is 29. When the number 24 is added to them, what is the new mean? (a) 27 (b) 29 (c) 30 (d) 28
  22. 22.The mean of 7 numbers is 32. When the number 64 is added to them, what is the new mean? (a) 36 (b) 32 (c) 37 (d) 48
  23. 23.What is the mode of 5, 16, 10, 5, 5, 7 and 10? (a) 7 (b) 10 (c) 5 (d) 16
  24. 24.The mean of 4 numbers is 10. When the number 20 is added to them, what is the new mean? (a) 10 (b) 15 (c) 12 (d) 13
  25. 25.What is the mean of 8, 7, 11 and 2? (a) 6 (b) 7 (c) 8 (d) 9
  26. 26.What is the median of 20, 23, 2, 5, 35, 9 and 28? (a) 20 (b) 23 (c) 5 (d) 9
  27. 27.What is the mean of 6, 18, 4, 9 and 8? (a) 8 (b) 11 (c) 9 (d) 10
  28. 28.What is the mean of 2, 18, 10, 5, 16 and 21? (a) 11 (b) 13 (c) 12 (d) 14
  29. 29.What is the mean of 3, 14, 10 and 17? (a) 12 (b) 11 (c) 10 (d) 13
  30. 30.What is the median of 20, 26, 30, 38 and 27? (a) 27 (b) 26 (c) 28 (d) 30
  31. 31.What is the mean of 4, 9, 18, 6 and 23? (a) 13 (b) 15 (c) 12 (d) 10
  32. 32.What is the mode of 16, 18, 1, 16, 12, 12 and 16? (a) 18 (b) 12 (c) 16 (d) 1
  33. 33.The mean of 9 numbers is 17. When the number 27 is added to them, what is the new mean? (a) 18 (b) 19 (c) 17 (d) 22
  34. 34.The mean of 4 numbers is 21. When the number 6 is added to them, what is the new mean? (a) 17 (b) 18 (c) 19 (d) 21
  35. 35.The mean of 8 numbers is 32. When the number 50 is added to them, what is the new mean? (a) 32 (b) 35 (c) 41 (d) 34
  36. 36.The mean of 4 numbers is 17. When the number 27 is added to them, what is the new mean? (a) 17 (b) 20 (c) 22 (d) 19
  37. 37.What is the median of 32, 37, 17, 5, 15, 3 and 35? (a) 15 (b) 17 (c) 32 (d) 5
  38. 38.What is the median of 28, 25, 9, 17 and 18? (a) 18 (b) 17 (c) 9 (d) 25
  39. 39.What is the mode of 2, 3, 8, 3, 3, 8 and 9? (a) 2 (b) 3 (c) 9 (d) 8
  40. 40.What is the mean of 5, 16, 15, 7, 9 and 14? (a) 12 (b) 10 (c) 13 (d) 11

Answer key

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

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