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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 801 · 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 37, 1, 9, 13 and 3? (a) 9 (b) 13 (c) 3 (d) 10
  2. 2.What is the mean of 18, 5, 10, 11 and 21? (a) 13 (b) 12 (c) 15 (d) 14
  3. 3.What is the median of 1, 36, 39, 18 and 16? (a) 39 (b) 36 (c) 22 (d) 18
  4. 4.What is the mean of 14, 2, 16, 6, 7 and 21? (a) 10 (b) 13 (c) 12 (d) 11
  5. 5.The mean of 3 numbers is 40. When the number 48 is added to them, what is the new mean? (a) 40 (b) 44 (c) 43 (d) 42
  6. 6.What is the median of 39, 24, 21, 5 and 30? (a) 30 (b) 21 (c) 24 (d) 25
  7. 7.What is the median of 35, 3, 37, 36, 12, 25 and 39? (a) 36 (b) 25 (c) 35 (d) 34
  8. 8.What is the mode of 1, 13, 18, 9, 9, 1 and 1? (a) 18 (b) 1 (c) 13 (d) 9
  9. 9.What is the mode of 15, 15, 6, 7, 10, 7 and 7? (a) 7 (b) 6 (c) 15 (d) 10
  10. 10.What is the mode of 2, 2, 1, 14, 11, 14 and 14? (a) 1 (b) 2 (c) 14 (d) 11
  11. 11.What is the mode of 12, 13, 13, 6, 5, 12 and 13? (a) 12 (b) 5 (c) 6 (d) 13
  12. 12.What is the median of 37, 3, 34, 31, 6, 25 and 24? (a) 24 (b) 31 (c) 26 (d) 25
  13. 13.What is the mean of 5, 17, 13, 14 and 21? (a) 14 (b) 16 (c) 15 (d) 13
  14. 14.What is the mean of 19, 13, 20, 10 and 3? (a) 15 (b) 12 (c) 14 (d) 13
  15. 15.What is the mean of 3, 2, 10, 17, 6 and 4? (a) 8 (b) 7 (c) 6 (d) 9
  16. 16.What is the mode of 14, 9, 14, 12, 11, 9 and 9? (a) 12 (b) 14 (c) 11 (d) 9
  17. 17.What is the mode of 19, 13, 1, 16, 16, 16 and 19? (a) 13 (b) 16 (c) 19 (d) 1
  18. 18.The mean of 7 numbers is 33. When the number 41 is added to them, what is the new mean? (a) 37 (b) 34 (c) 35 (d) 33
  19. 19.The mean of 6 numbers is 31. When the number 3 is added to them, what is the new mean? (a) 17 (b) 28 (c) 27 (d) 31
  20. 20.What is the median of 21, 10, 9, 11, 15, 6 and 24? (a) 12 (b) 11 (c) 15 (d) 10
  21. 21.What is the mean of 3, 19, 17 and 13? (a) 13 (b) 15 (c) 12 (d) 14
  22. 22.The mean of 3 numbers is 22. When the number 38 is added to them, what is the new mean? (a) 22 (b) 26 (c) 30 (d) 27
  23. 23.What is the mode of 17, 15, 10, 10, 10, 18 and 17? (a) 10 (b) 17 (c) 15 (d) 18
  24. 24.The mean of 7 numbers is 12. When the number 4 is added to them, what is the new mean? (a) 8 (b) 12 (c) 10 (d) 11
  25. 25.The mean of 5 numbers is 29. When the number 17 is added to them, what is the new mean? (a) 29 (b) 23 (c) 27 (d) 28
  26. 26.What is the mean of 11, 11, 3 and 3? (a) 6 (b) 9 (c) 8 (d) 7
  27. 27.What is the mode of 17, 12, 12, 12, 10, 17 and 16? (a) 10 (b) 17 (c) 12 (d) 16
  28. 28.What is the median of 1, 34, 21, 5 and 25? (a) 5 (b) 25 (c) 21 (d) 22
  29. 29.What is the median of 21, 32, 24, 36 and 16? (a) 21 (b) 24 (c) 25 (d) 32
  30. 30.What is the mean of 3, 20, 6, 18 and 13? (a) 12 (b) 15 (c) 13 (d) 10
  31. 31.What is the median of 11, 34, 23, 28, 15, 37 and 16? (a) 28 (b) 24 (c) 23 (d) 16
  32. 32.What is the mean of 3, 4, 10, 6 and 7? (a) 7 (b) 6 (c) 8 (d) 5
  33. 33.What is the mean of 16, 5, 6 and 13? (a) 10 (b) 8 (c) 9 (d) 11
  34. 34.What is the mean of 8, 12, 4, 2, 13 and 21? (a) 11 (b) 9 (c) 10 (d) 12
  35. 35.What is the mean of 3, 11, 16, 14 and 6? (a) 12 (b) 11 (c) 9 (d) 10
  36. 36.What is the mean of 4, 15, 5 and 12? (a) 8 (b) 12 (c) 9 (d) 10
  37. 37.What is the mode of 15, 17, 16, 1, 15, 1 and 15? (a) 17 (b) 16 (c) 15 (d) 1
  38. 38.The mean of 7 numbers is 12. When the number 20 is added to them, what is the new mean? (a) 16 (b) 12 (c) 13 (d) 14
  39. 39.What is the median of 34, 20, 4, 29 and 16? (a) 4 (b) 16 (c) 29 (d) 20
  40. 40.What is the mode of 1, 12, 11, 12, 13, 1 and 12? (a) 1 (b) 11 (c) 13 (d) 12

Answer key

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

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