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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 338 · 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 8, 26, 29, 1, 30, 11 and 6? (a) 11 (b) 8 (c) 1 (d) 26
  2. 2.What is the mean of 14, 3, 11, 11 and 6? (a) 11 (b) 10 (c) 9 (d) 8
  3. 3.The mean of 4 numbers is 40. When the number 35 is added to them, what is the new mean? (a) 40 (b) 41 (c) 39 (d) 38
  4. 4.What is the mean of 12, 14, 8 and 14? (a) 11 (b) 12 (c) 16 (d) 13
  5. 5.What is the median of 27, 35, 32, 7 and 26? (a) 28 (b) 27 (c) 26 (d) 32
  6. 6.What is the mean of 4, 10, 8 and 18? (a) 10 (b) 11 (c) 9 (d) 8
  7. 7.What is the mode of 3, 12, 16, 12, 12, 16 and 6? (a) 6 (b) 12 (c) 16 (d) 3
  8. 8.What is the mean of 15, 15, 5, 20 and 10? (a) 15 (b) 12 (c) 14 (d) 13
  9. 9.What is the mean of 2, 11, 4, 15 and 3? (a) 9 (b) 6 (c) 8 (d) 7
  10. 10.What is the mean of 20, 19, 6 and 3? (a) 11 (b) 16 (c) 13 (d) 12
  11. 11.What is the median of 25, 29, 28, 2 and 21? (a) 28 (b) 25 (c) 21 (d) 26
  12. 12.What is the mode of 9, 1, 1, 17, 20, 9 and 9? (a) 9 (b) 20 (c) 1 (d) 17
  13. 13.The mean of 3 numbers is 33. When the number 41 is added to them, what is the new mean? (a) 36 (b) 35 (c) 33 (d) 37
  14. 14.What is the mode of 3, 11, 6, 9, 3, 3 and 6? (a) 11 (b) 3 (c) 9 (d) 6
  15. 15.What is the mode of 4, 8, 4, 8, 8, 7 and 10? (a) 10 (b) 7 (c) 4 (d) 8
  16. 16.What is the median of 8, 10, 39, 5, 17, 13 and 23? (a) 17 (b) 10 (c) 5 (d) 13
  17. 17.The mean of 5 numbers is 10. When the number 22 is added to them, what is the new mean? (a) 10 (b) 13 (c) 12 (d) 16
  18. 18.What is the mean of 12, 10, 20 and 14? (a) 15 (b) 13 (c) 14 (d) 16
  19. 19.What is the median of 5, 12, 40, 10, 16, 38 and 17? (a) 17 (b) 10 (c) 12 (d) 16
  20. 20.What is the mean of 2, 16, 19, 5 and 3? (a) 10 (b) 8 (c) 11 (d) 9
  21. 21.What is the mean of 4, 2, 20 and 6? (a) 9 (b) 10 (c) 7 (d) 8
  22. 22.What is the median of 11, 34, 17, 3, 22, 4 and 20? (a) 20 (b) 3 (c) 17 (d) 11
  23. 23.What is the mode of 20, 7, 15, 20, 15, 20 and 3? (a) 15 (b) 7 (c) 20 (d) 3
  24. 24.What is the median of 2, 1, 16, 13, 37, 23 and 25? (a) 13 (b) 16 (c) 17 (d) 23
  25. 25.What is the mode of 2, 6, 18, 6, 5, 6 and 5? (a) 6 (b) 5 (c) 18 (d) 2
  26. 26.What is the median of 10, 11, 19, 35 and 20? (a) 18 (b) 11 (c) 20 (d) 19
  27. 27.What is the mode of 6, 4, 1, 14, 1, 6 and 1? (a) 6 (b) 4 (c) 1 (d) 14
  28. 28.The mean of 4 numbers is 33. When the number 28 is added to them, what is the new mean? (a) 34 (b) 33 (c) 32 (d) 31
  29. 29.What is the mean of 17, 9, 3, 17, 2 and 12? (a) 10 (b) 11 (c) 12 (d) 9
  30. 30.What is the mean of 6, 12, 16 and 6? (a) 9 (b) 10 (c) 8 (d) 11
  31. 31.What is the median of 29, 16, 9, 18 and 19? (a) 9 (b) 16 (c) 18 (d) 19
  32. 32.The mean of 4 numbers is 37. When the number 27 is added to them, what is the new mean? (a) 32 (b) 35 (c) 36 (d) 37
  33. 33.The mean of 7 numbers is 33. When the number 57 is added to them, what is the new mean? (a) 33 (b) 45 (c) 37 (d) 36
  34. 34.The mean of 7 numbers is 35. When the number 19 is added to them, what is the new mean? (a) 35 (b) 33 (c) 34 (d) 27
  35. 35.What is the mean of 4, 16, 3 and 5? (a) 7 (b) 9 (c) 8 (d) 6
  36. 36.What is the mean of 4, 6, 16 and 6? (a) 7 (b) 9 (c) 10 (d) 8
  37. 37.What is the median of 39, 8, 2, 7 and 16? (a) 2 (b) 16 (c) 8 (d) 7
  38. 38.What is the mean of 8, 13, 7 and 16? (a) 10 (b) 12 (c) 11 (d) 13
  39. 39.What is the mode of 10, 5, 20, 15, 15, 10 and 10? (a) 5 (b) 10 (c) 20 (d) 15
  40. 40.What is the mean of 2, 2, 11 and 17? (a) 9 (b) 8 (c) 10 (d) 7

Answer key

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

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