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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 378 · 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 5, 10, 6, 11, 4 and 18? (a) 8 (b) 11 (c) 9 (d) 10
  2. 2.What is the median of 1, 2, 3, 36 and 40? (a) 36 (b) 4 (c) 3 (d) 2
  3. 3.What is the mean of 3, 11, 17 and 9? (a) 10 (b) 8 (c) 11 (d) 9
  4. 4.The mean of 3 numbers is 31. When the number 43 is added to them, what is the new mean? (a) 35 (b) 31 (c) 34 (d) 37
  5. 5.What is the median of 10, 17, 6, 4, 37, 29 and 8? (a) 17 (b) 10 (c) 4 (d) 8
  6. 6.What is the median of 37, 14, 6, 38 and 21? (a) 21 (b) 37 (c) 6 (d) 14
  7. 7.What is the mean of 14, 19, 19, 11 and 17? (a) 15 (b) 16 (c) 17 (d) 20
  8. 8.What is the mode of 3, 11, 15, 14, 15, 11 and 11? (a) 3 (b) 14 (c) 15 (d) 11
  9. 9.What is the median of 11, 29, 7, 24, 2, 34 and 3? (a) 24 (b) 11 (c) 12 (d) 7
  10. 10.What is the mean of 10, 14, 15, 12, 3 and 18? (a) 11 (b) 13 (c) 12 (d) 14
  11. 11.What is the median of 33, 40, 2, 27, 39, 34 and 16? (a) 34 (b) 27 (c) 33 (d) 32
  12. 12.What is the median of 23, 10, 17, 5 and 35? (a) 18 (b) 10 (c) 17 (d) 23
  13. 13.What is the mean of 4, 9, 19, 9, 8 and 17? (a) 12 (b) 13 (c) 11 (d) 10
  14. 14.What is the mean of 5, 9, 10 and 4? (a) 6 (b) 9 (c) 7 (d) 8
  15. 15.What is the mode of 6, 14, 7, 7, 13, 7 and 13? (a) 14 (b) 6 (c) 13 (d) 7
  16. 16.What is the mode of 1, 8, 9, 1, 9, 5 and 9? (a) 9 (b) 1 (c) 8 (d) 5
  17. 17.What is the mean of 20, 10, 10, 9 and 16? (a) 14 (b) 13 (c) 15 (d) 12
  18. 18.What is the mode of 5, 14, 14, 7, 1, 5 and 14? (a) 5 (b) 7 (c) 14 (d) 1
  19. 19.What is the mode of 19, 11, 19, 20, 20, 2 and 20? (a) 19 (b) 11 (c) 2 (d) 20
  20. 20.What is the mean of 20, 12, 16 and 4? (a) 12 (b) 14 (c) 13 (d) 15
  21. 21.What is the mode of 8, 8, 16, 16, 4, 3 and 8? (a) 3 (b) 8 (c) 16 (d) 4
  22. 22.What is the median of 18, 14, 4, 9, 19, 37 and 10? (a) 9 (b) 10 (c) 14 (d) 18
  23. 23.What is the median of 5, 10, 16, 18 and 1? (a) 11 (b) 10 (c) 5 (d) 16
  24. 24.What is the mode of 15, 18, 18, 18, 15, 20 and 12? (a) 15 (b) 18 (c) 12 (d) 20
  25. 25.What is the mean of 4, 17, 18, 13, 20 and 18? (a) 15 (b) 18 (c) 14 (d) 16
  26. 26.What is the mode of 15, 15, 14, 6, 3, 14 and 15? (a) 14 (b) 15 (c) 3 (d) 6
  27. 27.What is the mode of 3, 13, 9, 9, 11, 3 and 3? (a) 11 (b) 13 (c) 9 (d) 3
  28. 28.What is the mode of 11, 7, 7, 14, 14, 7 and 19? (a) 14 (b) 19 (c) 7 (d) 11
  29. 29.The mean of 3 numbers is 21. When the number 5 is added to them, what is the new mean? (a) 13 (b) 17 (c) 18 (d) 21
  30. 30.The mean of 6 numbers is 37. When the number 44 is added to them, what is the new mean? (a) 38 (b) 37 (c) 40 (d) 39
  31. 31.What is the mode of 6, 12, 5, 12, 6, 6 and 14? (a) 12 (b) 5 (c) 14 (d) 6
  32. 32.The mean of 7 numbers is 33. When the number 1 is added to them, what is the new mean? (a) 29 (b) 17 (c) 30 (d) 33
  33. 33.What is the mean of 7, 17, 5, 8 and 13? (a) 11 (b) 9 (c) 12 (d) 10
  34. 34.What is the median of 16, 26, 17, 11 and 6? (a) 16 (b) 17 (c) 15 (d) 11
  35. 35.What is the mean of 2, 12, 4, 11 and 21? (a) 11 (b) 12 (c) 10 (d) 9
  36. 36.What is the median of 4, 37, 16, 22, 40, 38 and 5? (a) 22 (b) 16 (c) 23 (d) 37
  37. 37.What is the mean of 17, 5, 15 and 11? (a) 11 (b) 16 (c) 13 (d) 12
  38. 38.What is the mean of 14, 11, 19 and 12? (a) 13 (b) 14 (c) 16 (d) 15
  39. 39.What is the median of 1, 6, 20, 4 and 33? (a) 7 (b) 6 (c) 20 (d) 4
  40. 40.The mean of 6 numbers is 27. When the number 55 is added to them, what is the new mean? (a) 27 (b) 32 (c) 41 (d) 31

Answer key

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

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