← 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 357 · 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 17, 12, 13, 9, 12 and 9? (a) 14 (b) 12 (c) 13 (d) 11
  2. 2.What is the mode of 7, 1, 15, 6, 7, 1 and 1? (a) 15 (b) 1 (c) 7 (d) 6
  3. 3.What is the median of 12, 34, 11, 40, 37, 32 and 31? (a) 34 (b) 31 (c) 40 (d) 32
  4. 4.What is the median of 27, 30, 12, 33, 10, 18 and 21? (a) 27 (b) 18 (c) 21 (d) 33
  5. 5.What is the mode of 7, 20, 13, 18, 18, 20 and 18? (a) 7 (b) 13 (c) 18 (d) 20
  6. 6.What is the mean of 4, 3, 18, 16 and 19? (a) 13 (b) 12 (c) 10 (d) 15
  7. 7.The mean of 6 numbers is 13. When the number 6 is added to them, what is the new mean? (a) 14 (b) 11 (c) 13 (d) 12
  8. 8.What is the mode of 6, 2, 10, 10, 2, 10 and 14? (a) 10 (b) 14 (c) 6 (d) 2
  9. 9.What is the mode of 6, 9, 11, 20, 9, 11 and 11? (a) 11 (b) 9 (c) 20 (d) 6
  10. 10.What is the mean of 6, 9, 16, 7 and 7? (a) 10 (b) 8 (c) 9 (d) 11
  11. 11.What is the mode of 4, 3, 17, 7, 7, 3 and 3? (a) 4 (b) 3 (c) 17 (d) 7
  12. 12.What is the median of 40, 29, 8, 20 and 15? (a) 29 (b) 20 (c) 15 (d) 8
  13. 13.What is the mode of 2, 6, 3, 6, 6, 14 and 14? (a) 2 (b) 3 (c) 14 (d) 6
  14. 14.What is the mean of 7, 17, 17, 11, 16 and 10? (a) 12 (b) 13 (c) 15 (d) 14
  15. 15.The mean of 6 numbers is 20. When the number 34 is added to them, what is the new mean? (a) 23 (b) 27 (c) 20 (d) 22
  16. 16.What is the mode of 12, 1, 4, 14, 14, 12 and 14? (a) 12 (b) 1 (c) 4 (d) 14
  17. 17.What is the median of 1, 9, 7, 10 and 37? (a) 8 (b) 7 (c) 10 (d) 9
  18. 18.What is the mode of 20, 11, 7, 7, 5, 11 and 11? (a) 5 (b) 20 (c) 7 (d) 11
  19. 19.The mean of 6 numbers is 20. When the number 27 is added to them, what is the new mean? (a) 21 (b) 20 (c) 23 (d) 22
  20. 20.What is the mean of 15, 8, 2, 2, 12 and 21? (a) 9 (b) 10 (c) 12 (d) 11
  21. 21.What is the mean of 19, 6, 13, 11, 8 and 21? (a) 15 (b) 12 (c) 14 (d) 13
  22. 22.The mean of 3 numbers is 36. When the number 48 is added to them, what is the new mean? (a) 40 (b) 42 (c) 36 (d) 39
  23. 23.What is the mean of 15, 11, 18 and 20? (a) 18 (b) 15 (c) 16 (d) 17
  24. 24.What is the mode of 3, 2, 2, 2, 11, 9 and 11? (a) 11 (b) 9 (c) 2 (d) 3
  25. 25.What is the mean of 8, 10, 9, 10 and 18? (a) 12 (b) 10 (c) 11 (d) 13
  26. 26.What is the mode of 5, 17, 2, 10, 5, 5 and 10? (a) 10 (b) 2 (c) 17 (d) 5
  27. 27.What is the mean of 8, 15, 19, 8, 13 and 9? (a) 12 (b) 13 (c) 11 (d) 14
  28. 28.What is the median of 34, 37, 33, 21 and 12? (a) 21 (b) 33 (c) 34 (d) 32
  29. 29.The mean of 4 numbers is 13. When the number 28 is added to them, what is the new mean? (a) 15 (b) 13 (c) 17 (d) 16
  30. 30.What is the mean of 15, 13, 8, 6, 17 and 7? (a) 12 (b) 13 (c) 11 (d) 10
  31. 31.The mean of 6 numbers is 37. When the number 58 is added to them, what is the new mean? (a) 40 (b) 39 (c) 37 (d) 41
  32. 32.What is the mean of 15, 5, 14 and 6? (a) 11 (b) 9 (c) 8 (d) 10
  33. 33.What is the mode of 12, 10, 12, 15, 4, 10 and 10? (a) 15 (b) 10 (c) 4 (d) 12
  34. 34.What is the mean of 14, 10, 6, 7 and 18? (a) 13 (b) 10 (c) 12 (d) 11
  35. 35.What is the mean of 11, 11, 9, 10 and 9? (a) 10 (b) 12 (c) 11 (d) 9
  36. 36.What is the mean of 16, 11, 4 and 5? (a) 10 (b) 8 (c) 9 (d) 12
  37. 37.What is the mode of 10, 4, 13, 5, 5, 13 and 5? (a) 4 (b) 10 (c) 5 (d) 13
  38. 38.What is the mean of 11, 6, 3, 9 and 16? (a) 11 (b) 8 (c) 10 (d) 9
  39. 39.What is the mode of 3, 1, 16, 1, 3, 3 and 13? (a) 1 (b) 16 (c) 3 (d) 13
  40. 40.What is the median of 26, 3, 30, 21 and 1? (a) 21 (b) 30 (c) 26 (d) 3

Answer key

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

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