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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 648 · 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 mode of 13, 2, 13, 2, 5, 11 and 2? (a) 13 (b) 5 (c) 2 (d) 11
  2. 2.What is the median of 38, 37, 29, 24 and 3? (a) 29 (b) 30 (c) 37 (d) 24
  3. 3.What is the median of 19, 36, 12, 13, 16, 38 and 40? (a) 13 (b) 19 (c) 36 (d) 16
  4. 4.What is the median of 12, 26, 20, 8 and 2? (a) 20 (b) 12 (c) 13 (d) 8
  5. 5.What is the mean of 9, 19, 7 and 13? (a) 12 (b) 11 (c) 16 (d) 13
  6. 6.What is the median of 26, 37, 22, 10 and 40? (a) 27 (b) 22 (c) 26 (d) 37
  7. 7.The mean of 4 numbers is 23. When the number 18 is added to them, what is the new mean? (a) 23 (b) 21 (c) 24 (d) 22
  8. 8.What is the mean of 8, 2, 18 and 4? (a) 8 (b) 7 (c) 9 (d) 10
  9. 9.What is the mode of 11, 3, 11, 3, 11, 16 and 1? (a) 1 (b) 16 (c) 3 (d) 11
  10. 10.What is the median of 5, 34, 25, 26, 7, 10 and 17? (a) 25 (b) 17 (c) 10 (d) 26
  11. 11.What is the mode of 17, 18, 1, 4, 18, 18 and 4? (a) 1 (b) 17 (c) 4 (d) 18
  12. 12.What is the mode of 17, 17, 3, 18, 4, 17 and 4? (a) 3 (b) 4 (c) 17 (d) 18
  13. 13.What is the median of 23, 9, 6, 4, 29, 32 and 33? (a) 29 (b) 9 (c) 4 (d) 23
  14. 14.The mean of 3 numbers is 39. When the number 43 is added to them, what is the new mean? (a) 40 (b) 42 (c) 39 (d) 41
  15. 15.What is the mode of 17, 13, 18, 7, 13, 13 and 18? (a) 18 (b) 7 (c) 17 (d) 13
  16. 16.The mean of 7 numbers is 40. When the number 56 is added to them, what is the new mean? (a) 43 (b) 40 (c) 42 (d) 48
  17. 17.What is the mode of 4, 5, 5, 8, 8, 9 and 5? (a) 9 (b) 4 (c) 8 (d) 5
  18. 18.What is the mean of 17, 17, 12, 19, 7 and 6? (a) 14 (b) 15 (c) 12 (d) 13
  19. 19.What is the median of 3, 28, 37, 40, 33, 17 and 20? (a) 20 (b) 40 (c) 28 (d) 33
  20. 20.What is the median of 11, 12, 30, 26 and 15? (a) 26 (b) 30 (c) 12 (d) 15
  21. 21.What is the mode of 8, 5, 8, 5, 7, 9 and 8? (a) 5 (b) 8 (c) 7 (d) 9
  22. 22.What is the mean of 12, 19, 2, 18, 10 and 23? (a) 12 (b) 13 (c) 14 (d) 15
  23. 23.What is the mode of 5, 2, 20, 5, 2, 3 and 5? (a) 20 (b) 2 (c) 3 (d) 5
  24. 24.What is the mean of 14, 6, 10, 18, 13 and 11? (a) 14 (b) 12 (c) 11 (d) 13
  25. 25.The mean of 7 numbers is 10. When the number 26 is added to them, what is the new mean? (a) 13 (b) 10 (c) 12 (d) 18
  26. 26.What is the mode of 19, 19, 7, 1, 19, 15 and 15? (a) 19 (b) 7 (c) 1 (d) 15
  27. 27.What is the mean of 11, 10, 17, 18, 7 and 21? (a) 15 (b) 12 (c) 13 (d) 14
  28. 28.The mean of 8 numbers is 22. When the number 40 is added to them, what is the new mean? (a) 25 (b) 31 (c) 22 (d) 24
  29. 29.What is the median of 23, 27, 1, 33 and 16? (a) 20 (b) 27 (c) 23 (d) 1
  30. 30.What is the mean of 9, 9, 19, 2 and 11? (a) 11 (b) 12 (c) 9 (d) 10
  31. 31.What is the mode of 4, 16, 4, 16, 16, 6 and 18? (a) 18 (b) 4 (c) 16 (d) 6
  32. 32.What is the mean of 17, 4, 10 and 21? (a) 14 (b) 15 (c) 12 (d) 13
  33. 33.What is the mean of 5, 18, 18 and 23? (a) 18 (b) 16 (c) 17 (d) 15
  34. 34.What is the mode of 8, 6, 18, 18, 18, 20 and 6? (a) 20 (b) 18 (c) 8 (d) 6
  35. 35.What is the mean of 4, 12, 2, 10 and 2? (a) 5 (b) 7 (c) 8 (d) 6
  36. 36.The mean of 6 numbers is 31. When the number 10 is added to them, what is the new mean? (a) 29 (b) 31 (c) 27 (d) 28
  37. 37.The mean of 5 numbers is 23. When the number 17 is added to them, what is the new mean? (a) 20 (b) 23 (c) 22 (d) 21
  38. 38.What is the median of 32, 6, 34, 28 and 39? (a) 32 (b) 28 (c) 33 (d) 34
  39. 39.What is the mean of 4, 12, 2, 10, 15 and 11? (a) 10 (b) 9 (c) 11 (d) 8
  40. 40.What is the median of 23, 21, 26, 9, 29, 6 and 18? (a) 9 (b) 18 (c) 21 (d) 23

Answer key

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

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