← Data handling: mean, median, mode lesson New set →

Mean Median Mode Worksheet for Maths Olympiad

Maths Olympiad topic 27: Data handling: mean, median, mode · Set 738 · 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 9, 10, 16 and 9? (a) 12 (b) 11 (c) 10 (d) 13
  2. 2.What is the mean of 7, 4, 15, 16, 7 and 11? (a) 12 (b) 11 (c) 9 (d) 10
  3. 3.What is the median of 30, 3, 10, 4, 35, 22 and 14? (a) 14 (b) 22 (c) 4 (d) 10
  4. 4.What is the mode of 13, 5, 18, 18, 3, 18 and 3? (a) 13 (b) 5 (c) 3 (d) 18
  5. 5.What is the mean of 4, 2, 5, 13, 19 and 17? (a) 12 (b) 9 (c) 10 (d) 11
  6. 6.What is the mode of 5, 18, 6, 18, 4, 6 and 6? (a) 6 (b) 4 (c) 18 (d) 5
  7. 7.What is the mean of 4, 14, 3 and 19? (a) 9 (b) 8 (c) 10 (d) 11
  8. 8.What is the median of 35, 31, 6, 5, 25, 11 and 2? (a) 11 (b) 25 (c) 5 (d) 6
  9. 9.What is the mean of 9, 12, 13, 11, 5 and 10? (a) 10 (b) 11 (c) 12 (d) 9
  10. 10.What is the median of 33, 8, 19, 17 and 25? (a) 20 (b) 17 (c) 19 (d) 25
  11. 11.The mean of 9 numbers is 24. When the number 44 is added to them, what is the new mean? (a) 34 (b) 27 (c) 26 (d) 24
  12. 12.The mean of 4 numbers is 27. When the number 42 is added to them, what is the new mean? (a) 27 (b) 30 (c) 29 (d) 31
  13. 13.What is the mode of 1, 15, 7, 9, 1, 1 and 15? (a) 1 (b) 9 (c) 15 (d) 7
  14. 14.What is the median of 2, 12, 18, 3, 32, 29 and 31? (a) 18 (b) 12 (c) 29 (d) 3
  15. 15.What is the mode of 3, 1, 1, 1, 19, 6 and 6? (a) 19 (b) 3 (c) 1 (d) 6
  16. 16.The mean of 6 numbers is 26. When the number 47 is added to them, what is the new mean? (a) 28 (b) 26 (c) 30 (d) 29
  17. 17.What is the median of 17, 38, 31, 39, 14, 16 and 9? (a) 17 (b) 31 (c) 39 (d) 16
  18. 18.What is the mean of 12, 6, 8 and 6? (a) 10 (b) 7 (c) 9 (d) 8
  19. 19.What is the mode of 18, 4, 6, 6, 14, 6 and 4? (a) 14 (b) 6 (c) 4 (d) 18
  20. 20.What is the mode of 14, 20, 19, 20, 4, 14 and 14? (a) 20 (b) 14 (c) 4 (d) 19
  21. 21.The mean of 5 numbers is 40. When the number 28 is added to them, what is the new mean? (a) 34 (b) 38 (c) 39 (d) 40
  22. 22.What is the mode of 9, 16, 9, 18, 4, 18 and 18? (a) 18 (b) 9 (c) 16 (d) 4
  23. 23.The mean of 3 numbers is 28. When the number 24 is added to them, what is the new mean? (a) 27 (b) 29 (c) 28 (d) 26
  24. 24.What is the mean of 5, 3, 13, 6 and 8? (a) 6 (b) 7 (c) 9 (d) 8
  25. 25.What is the mean of 3, 2, 4, 19 and 12? (a) 8 (b) 10 (c) 7 (d) 9
  26. 26.What is the mode of 10, 19, 1, 18, 19, 19 and 18? (a) 1 (b) 19 (c) 10 (d) 18
  27. 27.What is the mean of 6, 9, 19, 17 and 4? (a) 11 (b) 12 (c) 13 (d) 10
  28. 28.What is the mode of 13, 2, 13, 2, 3, 2 and 4? (a) 13 (b) 2 (c) 3 (d) 4
  29. 29.The mean of 5 numbers is 27. When the number 3 is added to them, what is the new mean? (a) 15 (b) 24 (c) 27 (d) 23
  30. 30.What is the mean of 4, 9, 15, 2, 5 and 7? (a) 7 (b) 6 (c) 8 (d) 9
  31. 31.What is the mode of 14, 2, 14, 20, 3, 20 and 20? (a) 3 (b) 14 (c) 20 (d) 2
  32. 32.What is the mean of 14, 4, 7, 11, 18 and 24? (a) 13 (b) 12 (c) 15 (d) 14
  33. 33.What is the median of 23, 14, 37, 17, 7, 34 and 9? (a) 14 (b) 23 (c) 18 (d) 17
  34. 34.The mean of 6 numbers is 32. When the number 4 is added to them, what is the new mean? (a) 29 (b) 18 (c) 32 (d) 28
  35. 35.What is the mode of 2, 5, 17, 2, 14, 5 and 2? (a) 14 (b) 5 (c) 2 (d) 17
  36. 36.What is the mode of 10, 15, 10, 6, 6, 1 and 6? (a) 6 (b) 10 (c) 15 (d) 1
  37. 37.What is the mean of 7, 7, 9 and 17? (a) 11 (b) 8 (c) 9 (d) 10
  38. 38.What is the mean of 5, 2, 3, 15 and 15? (a) 9 (b) 8 (c) 10 (d) 7
  39. 39.What is the median of 24, 30, 8, 16 and 35? (a) 8 (b) 30 (c) 16 (d) 24
  40. 40.What is the mean of 10, 8, 11 and 7? (a) 10 (b) 9 (c) 12 (d) 8

Answer key

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

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad