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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 723 · 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 11, 18, 10 and 5? (a) 12 (b) 10 (c) 11 (d) 13
  2. 2.What is the mode of 15, 17, 19, 15, 12, 12 and 15? (a) 12 (b) 19 (c) 17 (d) 15
  3. 3.What is the median of 18, 34, 9, 13 and 8? (a) 18 (b) 13 (c) 14 (d) 9
  4. 4.The mean of 4 numbers is 32. When the number 47 is added to them, what is the new mean? (a) 36 (b) 34 (c) 32 (d) 35
  5. 5.What is the mode of 19, 4, 19, 6, 9, 4 and 4? (a) 9 (b) 19 (c) 4 (d) 6
  6. 6.What is the mode of 13, 11, 5, 5, 5, 11 and 9? (a) 13 (b) 11 (c) 5 (d) 9
  7. 7.What is the mean of 14, 14, 3 and 13? (a) 12 (b) 13 (c) 11 (d) 10
  8. 8.What is the median of 18, 34, 10, 30, 7, 19 and 21? (a) 18 (b) 21 (c) 19 (d) 30
  9. 9.What is the mode of 10, 5, 5, 18, 18, 5 and 1? (a) 1 (b) 18 (c) 5 (d) 10
  10. 10.What is the median of 23, 37, 33, 32 and 4? (a) 23 (b) 32 (c) 31 (d) 33
  11. 11.The mean of 7 numbers is 25. When the number 9 is added to them, what is the new mean? (a) 25 (b) 17 (c) 24 (d) 23
  12. 12.The mean of 7 numbers is 40. When the number 24 is added to them, what is the new mean? (a) 39 (b) 38 (c) 40 (d) 32
  13. 13.The mean of 9 numbers is 27. When the number 37 is added to them, what is the new mean? (a) 32 (b) 28 (c) 29 (d) 27
  14. 14.What is the median of 1, 31, 25, 13 and 6? (a) 13 (b) 6 (c) 14 (d) 25
  15. 15.What is the median of 33, 11, 22, 29 and 2? (a) 11 (b) 29 (c) 23 (d) 22
  16. 16.What is the mode of 3, 11, 3, 14, 9, 9 and 3? (a) 14 (b) 3 (c) 9 (d) 11
  17. 17.What is the mode of 8, 12, 12, 12, 5, 20 and 8? (a) 20 (b) 12 (c) 8 (d) 5
  18. 18.What is the median of 7, 32, 12, 28 and 22? (a) 12 (b) 22 (c) 28 (d) 23
  19. 19.What is the median of 35, 1, 30, 12, 20, 36 and 6? (a) 21 (b) 30 (c) 12 (d) 20
  20. 20.The mean of 5 numbers is 13. When the number 25 is added to them, what is the new mean? (a) 16 (b) 13 (c) 19 (d) 15
  21. 21.What is the median of 7, 15, 1, 29, 12, 24 and 21? (a) 15 (b) 21 (c) 12 (d) 29
  22. 22.What is the mean of 13, 8, 16, 10 and 8? (a) 11 (b) 10 (c) 12 (d) 13
  23. 23.The mean of 9 numbers is 38. When the number 48 is added to them, what is the new mean? (a) 40 (b) 39 (c) 43 (d) 38
  24. 24.What is the mean of 4, 12, 11, 10 and 8? (a) 10 (b) 11 (c) 9 (d) 8
  25. 25.What is the mean of 4, 10, 4 and 14? (a) 9 (b) 7 (c) 8 (d) 10
  26. 26.What is the mode of 13, 3, 13, 16, 8, 3 and 13? (a) 16 (b) 3 (c) 8 (d) 13
  27. 27.What is the mode of 6, 6, 6, 20, 20, 8 and 4? (a) 6 (b) 20 (c) 8 (d) 4
  28. 28.What is the mode of 8, 8, 3, 20, 3, 3 and 15? (a) 20 (b) 3 (c) 15 (d) 8
  29. 29.What is the mean of 13, 4, 18, 13, 3 and 9? (a) 12 (b) 9 (c) 11 (d) 10
  30. 30.The mean of 9 numbers is 30. When the number 40 is added to them, what is the new mean? (a) 35 (b) 31 (c) 30 (d) 32
  31. 31.The mean of 4 numbers is 40. When the number 55 is added to them, what is the new mean? (a) 42 (b) 43 (c) 44 (d) 40
  32. 32.What is the mean of 18, 17, 19, 20, 16 and 18? (a) 19 (b) 18 (c) 20 (d) 17
  33. 33.What is the mean of 13, 18, 2, 19 and 3? (a) 12 (b) 10 (c) 13 (d) 11
  34. 34.The mean of 5 numbers is 20. When the number 44 is added to them, what is the new mean? (a) 25 (b) 24 (c) 32 (d) 20
  35. 35.What is the mean of 10, 4, 12, 20 and 14? (a) 15 (b) 13 (c) 10 (d) 12
  36. 36.What is the mode of 14, 20, 14, 3, 14, 20 and 17? (a) 3 (b) 20 (c) 14 (d) 17
  37. 37.What is the mean of 10, 11, 15 and 20? (a) 13 (b) 16 (c) 15 (d) 14
  38. 38.What is the mode of 4, 14, 7, 4, 15, 4 and 15? (a) 14 (b) 4 (c) 15 (d) 7
  39. 39.What is the median of 6, 3, 32, 26 and 9? (a) 32 (b) 6 (c) 26 (d) 9
  40. 40.What is the mean of 16, 6, 12, 17, 19 and 8? (a) 13 (b) 15 (c) 12 (d) 14

Answer key

  1. 11
  2. 15
  3. 13
  4. 35
  5. 4
  6. 5
  7. 11
  8. 19
  9. 5
  10. 32
  11. 23
  12. 38
  13. 28
  14. 13
  15. 22
  16. 3
  17. 12
  18. 22
  19. 20
  20. 15
  21. 15
  22. 11
  23. 39
  24. 9
  25. 8
  26. 13
  27. 6
  28. 3
  29. 10
  30. 31
  31. 43
  32. 18
  33. 11
  34. 24
  35. 12
  36. 14
  37. 14
  38. 4
  39. 9
  40. 13

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