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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 625 · 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 36, 29, 24, 8 and 39? (a) 24 (b) 36 (c) 30 (d) 29
  2. 2.What is the mode of 7, 12, 4, 7, 7, 19 and 12? (a) 12 (b) 19 (c) 7 (d) 4
  3. 3.What is the mean of 9, 4, 15, 14, 2 and 16? (a) 12 (b) 11 (c) 10 (d) 9
  4. 4.What is the median of 28, 16, 10, 32 and 36? (a) 16 (b) 10 (c) 28 (d) 32
  5. 5.What is the mode of 15, 17, 3, 17, 17, 10 and 15? (a) 10 (b) 3 (c) 17 (d) 15
  6. 6.What is the mode of 4, 18, 18, 17, 9, 4 and 18? (a) 9 (b) 4 (c) 18 (d) 17
  7. 7.What is the mode of 13, 5, 4, 5, 2, 13 and 5? (a) 13 (b) 4 (c) 2 (d) 5
  8. 8.What is the mean of 11, 14, 9, 4, 8 and 14? (a) 9 (b) 11 (c) 12 (d) 10
  9. 9.What is the median of 21, 28, 16, 7 and 36? (a) 21 (b) 22 (c) 28 (d) 16
  10. 10.What is the median of 7, 3, 8, 32 and 23? (a) 9 (b) 23 (c) 8 (d) 7
  11. 11.What is the mode of 16, 10, 15, 15, 10, 18 and 15? (a) 18 (b) 16 (c) 10 (d) 15
  12. 12.What is the mode of 3, 13, 18, 10, 3, 3 and 13? (a) 13 (b) 10 (c) 18 (d) 3
  13. 13.What is the mean of 4, 12, 17, 18, 4 and 5? (a) 12 (b) 10 (c) 9 (d) 11
  14. 14.What is the mean of 8, 17, 16, 14 and 10? (a) 12 (b) 14 (c) 15 (d) 13
  15. 15.What is the median of 33, 22, 26, 39, 7, 19 and 32? (a) 22 (b) 26 (c) 39 (d) 32
  16. 16.What is the mode of 4, 11, 18, 13, 18, 13 and 18? (a) 4 (b) 13 (c) 18 (d) 11
  17. 17.The mean of 7 numbers is 37. When the number 61 is added to them, what is the new mean? (a) 49 (b) 37 (c) 41 (d) 40
  18. 18.The mean of 8 numbers is 40. When the number 4 is added to them, what is the new mean? (a) 37 (b) 40 (c) 36 (d) 22
  19. 19.What is the mean of 11, 8, 12 and 9? (a) 11 (b) 10 (c) 9 (d) 8
  20. 20.What is the median of 36, 34, 17, 24 and 8? (a) 25 (b) 17 (c) 34 (d) 24
  21. 21.What is the median of 17, 11, 22, 20 and 40? (a) 20 (b) 17 (c) 21 (d) 22
  22. 22.What is the mean of 8, 5, 18, 15 and 9? (a) 13 (b) 11 (c) 10 (d) 12
  23. 23.What is the mean of 9, 5, 3, 11 and 7? (a) 6 (b) 8 (c) 9 (d) 7
  24. 24.What is the mode of 13, 11, 11, 15, 1, 11 and 13? (a) 1 (b) 11 (c) 15 (d) 13
  25. 25.What is the mean of 18, 14, 14, 18, 2 and 12? (a) 14 (b) 13 (c) 15 (d) 12
  26. 26.What is the mean of 12, 14, 17, 20, 13 and 14? (a) 15 (b) 16 (c) 14 (d) 18
  27. 27.What is the mode of 4, 13, 19, 9, 9, 19 and 19? (a) 9 (b) 13 (c) 4 (d) 19
  28. 28.What is the mean of 9, 10, 4 and 9? (a) 8 (b) 7 (c) 10 (d) 9
  29. 29.What is the median of 33, 39, 30, 16, 15, 13 and 32? (a) 30 (b) 31 (c) 16 (d) 32
  30. 30.What is the mode of 1, 5, 1, 20, 19, 20 and 20? (a) 5 (b) 19 (c) 1 (d) 20
  31. 31.The mean of 4 numbers is 34. When the number 24 is added to them, what is the new mean? (a) 34 (b) 33 (c) 29 (d) 32
  32. 32.What is the mode of 4, 17, 3, 4, 11, 17 and 4? (a) 3 (b) 11 (c) 17 (d) 4
  33. 33.What is the median of 4, 39, 25, 38 and 31? (a) 25 (b) 31 (c) 38 (d) 32
  34. 34.What is the median of 19, 22, 13, 29, 28, 23 and 14? (a) 29 (b) 22 (c) 19 (d) 23
  35. 35.What is the median of 8, 11, 20, 26 and 36? (a) 20 (b) 21 (c) 26 (d) 11
  36. 36.What is the mean of 18, 4, 7 and 7? (a) 10 (b) 12 (c) 9 (d) 8
  37. 37.What is the median of 35, 21, 4, 7 and 17? (a) 21 (b) 7 (c) 4 (d) 17
  38. 38.The mean of 4 numbers is 39. When the number 34 is added to them, what is the new mean? (a) 37 (b) 38 (c) 40 (d) 39
  39. 39.What is the mean of 6, 5, 10, 16 and 13? (a) 12 (b) 10 (c) 11 (d) 9
  40. 40.The mean of 7 numbers is 20. When the number 12 is added to them, what is the new mean? (a) 18 (b) 20 (c) 16 (d) 19

Answer key

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

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