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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 368 · 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 13, 5, 5, 8, 13 and 10? (a) 10 (b) 11 (c) 8 (d) 9
  2. 2.What is the mean of 6, 20, 3, 4 and 2? (a) 7 (b) 6 (c) 9 (d) 8
  3. 3.The mean of 8 numbers is 24. When the number 42 is added to them, what is the new mean? (a) 33 (b) 24 (c) 26 (d) 27
  4. 4.The mean of 3 numbers is 28. When the number 12 is added to them, what is the new mean? (a) 25 (b) 24 (c) 28 (d) 20
  5. 5.What is the mean of 14, 16, 10 and 16? (a) 14 (b) 13 (c) 16 (d) 15
  6. 6.What is the mode of 16, 8, 8, 19, 8, 16 and 13? (a) 13 (b) 16 (c) 19 (d) 8
  7. 7.The mean of 8 numbers is 34. When the number 61 is added to them, what is the new mean? (a) 36 (b) 37 (c) 34 (d) 38
  8. 8.What is the mean of 7, 2, 11, 19 and 21? (a) 15 (b) 13 (c) 12 (d) 10
  9. 9.What is the mean of 13, 3, 16, 19 and 19? (a) 16 (b) 13 (c) 14 (d) 15
  10. 10.What is the mean of 3, 13, 8 and 8? (a) 7 (b) 10 (c) 9 (d) 8
  11. 11.What is the median of 28, 16, 23, 1, 21, 8 and 30? (a) 16 (b) 21 (c) 23 (d) 1
  12. 12.The mean of 4 numbers is 19. When the number 29 is added to them, what is the new mean? (a) 24 (b) 19 (c) 21 (d) 22
  13. 13.What is the mean of 3, 12, 13, 3, 7 and 4? (a) 9 (b) 6 (c) 7 (d) 8
  14. 14.What is the mean of 19, 13, 9, 4, 15 and 12? (a) 11 (b) 14 (c) 12 (d) 13
  15. 15.What is the median of 3, 6, 19, 26, 27, 11 and 7? (a) 7 (b) 19 (c) 26 (d) 11
  16. 16.What is the mean of 4, 15, 9 and 20? (a) 13 (b) 16 (c) 11 (d) 12
  17. 17.What is the mode of 16, 3, 16, 16, 19, 2 and 3? (a) 2 (b) 19 (c) 3 (d) 16
  18. 18.What is the mean of 16, 6, 18 and 20? (a) 12 (b) 16 (c) 20 (d) 15
  19. 19.What is the median of 5, 25, 32, 28 and 35? (a) 32 (b) 25 (c) 28 (d) 29
  20. 20.The mean of 8 numbers is 26. When the number 8 is added to them, what is the new mean? (a) 17 (b) 24 (c) 26 (d) 25
  21. 21.The mean of 5 numbers is 19. When the number 13 is added to them, what is the new mean? (a) 19 (b) 16 (c) 17 (d) 18
  22. 22.What is the median of 36, 26, 19, 3, 9, 8 and 4? (a) 19 (b) 3 (c) 15 (d) 9
  23. 23.What is the mean of 2, 5, 16 and 5? (a) 6 (b) 9 (c) 8 (d) 7
  24. 24.What is the median of 23, 35, 37, 34 and 25? (a) 34 (b) 37 (c) 35 (d) 25
  25. 25.The mean of 7 numbers is 36. When the number 12 is added to them, what is the new mean? (a) 36 (b) 24 (c) 33 (d) 34
  26. 26.What is the mean of 16, 14, 5 and 5? (a) 11 (b) 9 (c) 10 (d) 8
  27. 27.What is the mean of 12, 14, 4 and 10? (a) 8 (b) 11 (c) 9 (d) 10
  28. 28.What is the mean of 10, 5, 5, 11, 13 and 10? (a) 8 (b) 9 (c) 10 (d) 11
  29. 29.What is the median of 39, 10, 37, 7, 12, 17 and 27? (a) 7 (b) 12 (c) 27 (d) 17
  30. 30.What is the median of 20, 29, 7, 22 and 21? (a) 22 (b) 20 (c) 7 (d) 21
  31. 31.What is the mode of 15, 3, 16, 2, 15, 15 and 16? (a) 2 (b) 16 (c) 15 (d) 3
  32. 32.What is the mean of 18, 4, 8 and 22? (a) 15 (b) 12 (c) 13 (d) 14
  33. 33.The mean of 6 numbers is 24. When the number 17 is added to them, what is the new mean? (a) 22 (b) 25 (c) 23 (d) 24
  34. 34.What is the mode of 2, 2, 17, 17, 2, 8 and 4? (a) 2 (b) 4 (c) 8 (d) 17
  35. 35.What is the median of 20, 22, 3, 1, 40, 35 and 21? (a) 21 (b) 1 (c) 20 (d) 22
  36. 36.What is the median of 26, 17, 29, 38, 3, 27 and 7? (a) 21 (b) 27 (c) 38 (d) 26
  37. 37.What is the median of 11, 1, 4, 34 and 35? (a) 4 (b) 17 (c) 11 (d) 34
  38. 38.What is the mean of 7, 20, 19, 7 and 7? (a) 10 (b) 12 (c) 15 (d) 13
  39. 39.What is the mean of 15, 14, 18, 19 and 9? (a) 14 (b) 16 (c) 15 (d) 17
  40. 40.What is the median of 30, 26, 29, 27 and 39? (a) 28 (b) 27 (c) 30 (d) 29

Answer key

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

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