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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 531 · 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, 9, 2, 3 and 18? (a) 11 (b) 10 (c) 9 (d) 8
  2. 2.What is the median of 1, 36, 6, 34 and 40? (a) 36 (b) 35 (c) 6 (d) 34
  3. 3.What is the mean of 17, 3, 14 and 14? (a) 11 (b) 13 (c) 12 (d) 16
  4. 4.What is the median of 31, 29, 20, 21 and 9? (a) 20 (b) 21 (c) 22 (d) 29
  5. 5.What is the mean of 5, 16, 20, 12 and 12? (a) 15 (b) 13 (c) 12 (d) 14
  6. 6.The mean of 8 numbers is 34. When the number 70 is added to them, what is the new mean? (a) 52 (b) 34 (c) 39 (d) 38
  7. 7.The mean of 8 numbers is 37. When the number 28 is added to them, what is the new mean? (a) 35 (b) 38 (c) 36 (d) 37
  8. 8.What is the mode of 10, 12, 10, 10, 5, 3 and 3? (a) 3 (b) 12 (c) 5 (d) 10
  9. 9.The mean of 9 numbers is 33. When the number 63 is added to them, what is the new mean? (a) 36 (b) 33 (c) 37 (d) 48
  10. 10.What is the mean of 3, 17, 2, 2 and 16? (a) 7 (b) 9 (c) 10 (d) 8
  11. 11.The mean of 4 numbers is 32. When the number 12 is added to them, what is the new mean? (a) 32 (b) 22 (c) 28 (d) 29
  12. 12.What is the mean of 19, 15, 18 and 12? (a) 18 (b) 15 (c) 17 (d) 16
  13. 13.What is the mean of 6, 16, 12 and 14? (a) 16 (b) 13 (c) 11 (d) 12
  14. 14.The mean of 8 numbers is 38. When the number 29 is added to them, what is the new mean? (a) 39 (b) 38 (c) 37 (d) 36
  15. 15.What is the mean of 3, 9, 19 and 13? (a) 10 (b) 11 (c) 12 (d) 13
  16. 16.What is the mode of 6, 6, 5, 5, 16, 1 and 6? (a) 16 (b) 5 (c) 1 (d) 6
  17. 17.What is the median of 8, 2, 16, 1 and 6? (a) 2 (b) 6 (c) 8 (d) 16
  18. 18.What is the mode of 8, 8, 8, 12, 13, 12 and 20? (a) 20 (b) 8 (c) 13 (d) 12
  19. 19.What is the mode of 6, 8, 16, 16, 19, 6 and 16? (a) 8 (b) 19 (c) 6 (d) 16
  20. 20.The mean of 3 numbers is 29. When the number 33 is added to them, what is the new mean? (a) 32 (b) 29 (c) 31 (d) 30
  21. 21.What is the mean of 18, 19, 13, 10, 18 and 24? (a) 17 (b) 18 (c) 16 (d) 19
  22. 22.What is the mean of 2, 17, 2 and 15? (a) 10 (b) 8 (c) 9 (d) 12
  23. 23.What is the median of 4, 24, 19, 5 and 12? (a) 5 (b) 12 (c) 13 (d) 19
  24. 24.What is the mean of 4, 3, 11, 12 and 5? (a) 9 (b) 6 (c) 7 (d) 8
  25. 25.The mean of 4 numbers is 32. When the number 22 is added to them, what is the new mean? (a) 27 (b) 31 (c) 32 (d) 30
  26. 26.The mean of 3 numbers is 14. When the number 26 is added to them, what is the new mean? (a) 18 (b) 14 (c) 17 (d) 20
  27. 27.What is the mean of 16, 2, 13, 4 and 15? (a) 10 (b) 9 (c) 11 (d) 12
  28. 28.The mean of 9 numbers is 36. When the number 26 is added to them, what is the new mean? (a) 34 (b) 36 (c) 35 (d) 31
  29. 29.What is the median of 16, 36, 17, 13 and 23? (a) 17 (b) 16 (c) 21 (d) 23
  30. 30.The mean of 6 numbers is 28. When the number 35 is added to them, what is the new mean? (a) 31 (b) 29 (c) 30 (d) 28
  31. 31.The mean of 4 numbers is 40. When the number 50 is added to them, what is the new mean? (a) 42 (b) 43 (c) 40 (d) 45
  32. 32.What is the median of 3, 11, 2, 1 and 8? (a) 3 (b) 5 (c) 8 (d) 2
  33. 33.What is the median of 13, 25, 3, 28 and 24? (a) 13 (b) 25 (c) 24 (d) 3
  34. 34.What is the median of 39, 7, 20, 13 and 4? (a) 20 (b) 7 (c) 13 (d) 14
  35. 35.The mean of 5 numbers is 30. When the number 6 is added to them, what is the new mean? (a) 26 (b) 18 (c) 27 (d) 30
  36. 36.What is the mean of 2, 10, 4, 9 and 5? (a) 5 (b) 8 (c) 6 (d) 7
  37. 37.The mean of 5 numbers is 22. When the number 4 is added to them, what is the new mean? (a) 22 (b) 20 (c) 13 (d) 19
  38. 38.What is the mode of 5, 3, 6, 3, 15, 5 and 5? (a) 3 (b) 5 (c) 15 (d) 6
  39. 39.What is the mean of 5, 3, 10 and 6? (a) 7 (b) 5 (c) 6 (d) 8
  40. 40.The mean of 9 numbers is 19. When the number 29 is added to them, what is the new mean? (a) 24 (b) 19 (c) 21 (d) 20

Answer key

  1. 9
  2. 34
  3. 12
  4. 21
  5. 13
  6. 38
  7. 36
  8. 10
  9. 36
  10. 8
  11. 28
  12. 16
  13. 12
  14. 37
  15. 11
  16. 6
  17. 6
  18. 8
  19. 16
  20. 30
  21. 17
  22. 9
  23. 12
  24. 7
  25. 30
  26. 17
  27. 10
  28. 35
  29. 17
  30. 29
  31. 42
  32. 3
  33. 24
  34. 13
  35. 26
  36. 6
  37. 19
  38. 5
  39. 6
  40. 20

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