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Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 310 · 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 16, 16, 16, 2, 3, 3 and 7? (a) 7 (b) 16 (c) 2 (d) 3
  2. 2.The mean of 6 numbers is 35. When the number 7 is added to them, what is the new mean? (a) 35 (b) 21 (c) 32 (d) 31
  3. 3.What is the mean of 12, 18, 18, 2 and 5? (a) 12 (b) 11 (c) 13 (d) 10
  4. 4.What is the median of 32, 27, 39, 40 and 26? (a) 27 (b) 39 (c) 33 (d) 32
  5. 5.What is the mode of 17, 17, 10, 2, 12, 12 and 12? (a) 17 (b) 10 (c) 12 (d) 2
  6. 6.What is the mode of 17, 3, 2, 3, 15, 2 and 3? (a) 3 (b) 17 (c) 2 (d) 15
  7. 7.What is the median of 9, 1, 18, 16 and 28? (a) 17 (b) 9 (c) 18 (d) 16
  8. 8.What is the median of 16, 28, 35, 22 and 18? (a) 28 (b) 18 (c) 35 (d) 22
  9. 9.What is the mean of 11, 14, 14, 7, 17 and 21? (a) 12 (b) 13 (c) 15 (d) 14
  10. 10.What is the median of 17, 36, 6, 40 and 21? (a) 21 (b) 6 (c) 24 (d) 36
  11. 11.What is the mode of 7, 9, 14, 14, 14, 7 and 6? (a) 7 (b) 9 (c) 6 (d) 14
  12. 12.What is the mean of 9, 5, 2 and 4? (a) 5 (b) 6 (c) 7 (d) 4
  13. 13.The mean of 4 numbers is 34. When the number 39 is added to them, what is the new mean? (a) 37 (b) 34 (c) 36 (d) 35
  14. 14.The mean of 6 numbers is 35. When the number 14 is added to them, what is the new mean? (a) 33 (b) 32 (c) 31 (d) 35
  15. 15.What is the mean of 19, 6, 17, 12, 17 and 19? (a) 15 (b) 16 (c) 14 (d) 18
  16. 16.What is the median of 10, 38, 5, 4 and 15? (a) 10 (b) 5 (c) 11 (d) 15
  17. 17.The mean of 7 numbers is 13. When the number 29 is added to them, what is the new mean? (a) 15 (b) 21 (c) 13 (d) 16
  18. 18.What is the mean of 5, 9, 17 and 5? (a) 8 (b) 10 (c) 9 (d) 12
  19. 19.What is the mode of 18, 15, 15, 19, 15, 19 and 17? (a) 17 (b) 15 (c) 19 (d) 18
  20. 20.What is the median of 13, 24, 36, 23 and 3? (a) 23 (b) 13 (c) 24 (d) 36
  21. 21.What is the mode of 1, 14, 14, 14, 15, 8 and 1? (a) 15 (b) 8 (c) 14 (d) 1
  22. 22.The mean of 4 numbers is 34. When the number 44 is added to them, what is the new mean? (a) 37 (b) 39 (c) 36 (d) 34
  23. 23.What is the median of 32, 13, 35, 6 and 34? (a) 34 (b) 35 (c) 24 (d) 32
  24. 24.What is the mean of 12, 19, 20 and 9? (a) 20 (b) 15 (c) 16 (d) 12
  25. 25.What is the median of 7, 32, 40, 29, 2, 6 and 34? (a) 32 (b) 30 (c) 7 (d) 29
  26. 26.What is the median of 15, 7, 23, 6, 11, 33 and 36? (a) 11 (b) 23 (c) 6 (d) 15
  27. 27.What is the mode of 6, 6, 15, 9, 9, 11 and 6? (a) 11 (b) 9 (c) 15 (d) 6
  28. 28.What is the median of 14, 1, 13, 2, 30, 5 and 17? (a) 5 (b) 14 (c) 13 (d) 2
  29. 29.The mean of 5 numbers is 24. When the number 12 is added to them, what is the new mean? (a) 22 (b) 24 (c) 23 (d) 18
  30. 30.The mean of 8 numbers is 33. When the number 51 is added to them, what is the new mean? (a) 42 (b) 36 (c) 35 (d) 33
  31. 31.What is the mean of 3, 11, 20, 2 and 14? (a) 10 (b) 9 (c) 12 (d) 11
  32. 32.The mean of 3 numbers is 37. When the number 21 is added to them, what is the new mean? (a) 29 (b) 33 (c) 37 (d) 34
  33. 33.What is the mean of 16, 20, 8 and 16? (a) 20 (b) 16 (c) 15 (d) 12
  34. 34.What is the mean of 15, 2, 8, 17, 19 and 5? (a) 13 (b) 10 (c) 12 (d) 11
  35. 35.The mean of 8 numbers is 12. When the number 3 is added to them, what is the new mean? (a) 11 (b) 13 (c) 10 (d) 12
  36. 36.What is the mean of 18, 16, 9, 5 and 7? (a) 11 (b) 10 (c) 12 (d) 13
  37. 37.What is the mean of 16, 4, 20, 20, 9 and 9? (a) 13 (b) 12 (c) 15 (d) 14
  38. 38.What is the mode of 6, 6, 4, 4, 6, 20 and 11? (a) 20 (b) 4 (c) 6 (d) 11
  39. 39.What is the mode of 13, 2, 3, 2, 13, 2 and 18? (a) 18 (b) 2 (c) 13 (d) 3
  40. 40.What is the median of 28, 32, 39, 1 and 11? (a) 32 (b) 39 (c) 11 (d) 28

Answer key

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

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