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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 911 · 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 20, 3, 15, 11 and 21? (a) 14 (b) 13 (c) 15 (d) 16
  2. 2.What is the median of 14, 22, 6, 5, 36, 4 and 33? (a) 14 (b) 6 (c) 22 (d) 5
  3. 3.What is the median of 40, 31, 36, 20, 24, 5 and 16? (a) 25 (b) 20 (c) 31 (d) 24
  4. 4.The mean of 9 numbers is 23. When the number 33 is added to them, what is the new mean? (a) 25 (b) 28 (c) 23 (d) 24
  5. 5.What is the median of 1, 32, 35, 3, 29, 15 and 19? (a) 29 (b) 19 (c) 15 (d) 3
  6. 6.What is the mean of 6, 19, 5, 2, 13 and 9? (a) 8 (b) 9 (c) 10 (d) 11
  7. 7.The mean of 4 numbers is 37. When the number 22 is added to them, what is the new mean? (a) 37 (b) 35 (c) 33 (d) 34
  8. 8.What is the mean of 14, 15, 5, 2 and 19? (a) 13 (b) 10 (c) 11 (d) 12
  9. 9.What is the median of 24, 3, 19, 21, 28, 17 and 10? (a) 21 (b) 19 (c) 17 (d) 20
  10. 10.What is the median of 14, 34, 12, 40 and 9? (a) 14 (b) 34 (c) 12 (d) 15
  11. 11.What is the median of 31, 39, 4, 27, 12, 29 and 36? (a) 31 (b) 29 (c) 27 (d) 30
  12. 12.What is the median of 2, 37, 19, 5 and 35? (a) 19 (b) 20 (c) 35 (d) 5
  13. 13.What is the median of 1, 32, 20, 11, 7, 29 and 35? (a) 20 (b) 11 (c) 29 (d) 21
  14. 14.What is the median of 7, 16, 39, 26 and 12? (a) 39 (b) 16 (c) 26 (d) 20
  15. 15.What is the median of 28, 31, 11, 2, 19, 1 and 29? (a) 11 (b) 2 (c) 19 (d) 28
  16. 16.What is the median of 38, 19, 1, 26 and 35? (a) 19 (b) 1 (c) 35 (d) 26
  17. 17.What is the mean of 19, 9, 14 and 14? (a) 14 (b) 15 (c) 16 (d) 13
  18. 18.What is the mean of 7, 6, 3 and 16? (a) 7 (b) 9 (c) 10 (d) 8
  19. 19.What is the mean of 5, 9, 13, 19 and 9? (a) 13 (b) 12 (c) 10 (d) 11
  20. 20.What is the mode of 13, 16, 7, 2, 13, 16 and 16? (a) 2 (b) 16 (c) 7 (d) 13
  21. 21.What is the mean of 6, 6, 17 and 3? (a) 8 (b) 7 (c) 9 (d) 10
  22. 22.What is the median of 29, 30, 22, 10, 14, 33 and 40? (a) 10 (b) 22 (c) 29 (d) 30
  23. 23.What is the mean of 3, 2, 13, 17, 20 and 5? (a) 12 (b) 11 (c) 9 (d) 10
  24. 24.What is the mean of 2, 10, 9, 6 and 13? (a) 9 (b) 10 (c) 7 (d) 8
  25. 25.What is the mode of 9, 9, 5, 12, 12, 14 and 12? (a) 5 (b) 12 (c) 14 (d) 9
  26. 26.What is the median of 3, 13, 7, 9, 31, 34 and 40? (a) 9 (b) 13 (c) 14 (d) 31
  27. 27.The mean of 3 numbers is 40. When the number 28 is added to them, what is the new mean? (a) 38 (b) 40 (c) 37 (d) 34
  28. 28.The mean of 7 numbers is 27. When the number 3 is added to them, what is the new mean? (a) 27 (b) 24 (c) 15 (d) 25
  29. 29.What is the mean of 5, 9, 12 and 18? (a) 11 (b) 13 (c) 12 (d) 10
  30. 30.What is the mean of 6, 7, 16, 4, 15 and 24? (a) 13 (b) 12 (c) 11 (d) 14
  31. 31.What is the mean of 14, 5, 18, 6, 17 and 6? (a) 11 (b) 12 (c) 13 (d) 10
  32. 32.What is the mean of 5, 9, 15, 14, 10 and 13? (a) 12 (b) 11 (c) 13 (d) 10
  33. 33.The mean of 4 numbers is 20. When the number 30 is added to them, what is the new mean? (a) 23 (b) 20 (c) 25 (d) 22
  34. 34.What is the mode of 8, 8, 19, 15, 19, 19 and 4? (a) 8 (b) 15 (c) 4 (d) 19
  35. 35.What is the mode of 12, 17, 7, 7, 2, 2 and 2? (a) 12 (b) 17 (c) 7 (d) 2
  36. 36.What is the mode of 3, 5, 1, 5, 10, 1 and 5? (a) 1 (b) 5 (c) 3 (d) 10
  37. 37.What is the mean of 6, 19, 4, 4 and 7? (a) 9 (b) 8 (c) 7 (d) 10
  38. 38.What is the mode of 4, 19, 4, 18, 4, 19 and 16? (a) 18 (b) 19 (c) 4 (d) 16
  39. 39.What is the mean of 16, 10, 2, 5 and 17? (a) 11 (b) 12 (c) 9 (d) 10
  40. 40.The mean of 5 numbers is 35. When the number 53 is added to them, what is the new mean? (a) 39 (b) 38 (c) 44 (d) 35

Answer key

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

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