← 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 394 · 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 10, 2, 10, 7 and 6? (a) 7 (b) 8 (c) 9 (d) 6
  2. 2.What is the mean of 3, 9, 15 and 9? (a) 9 (b) 10 (c) 12 (d) 8
  3. 3.What is the mode of 14, 9, 13, 9, 13, 6 and 9? (a) 14 (b) 13 (c) 9 (d) 6
  4. 4.What is the mean of 12, 13, 18, 12 and 5? (a) 13 (b) 10 (c) 12 (d) 15
  5. 5.The mean of 7 numbers is 24. When the number 40 is added to them, what is the new mean? (a) 32 (b) 24 (c) 27 (d) 26
  6. 6.What is the mean of 20, 19, 9, 19 and 8? (a) 17 (b) 14 (c) 15 (d) 16
  7. 7.What is the mean of 7, 10, 4 and 19? (a) 11 (b) 8 (c) 10 (d) 9
  8. 8.What is the mode of 15, 12, 7, 12, 7, 5 and 12? (a) 5 (b) 15 (c) 12 (d) 7
  9. 9.What is the mode of 15, 3, 5, 3, 5, 3 and 2? (a) 3 (b) 15 (c) 5 (d) 2
  10. 10.What is the mean of 19, 19, 17, 20, 19 and 20? (a) 19 (b) 18 (c) 20 (d) 21
  11. 11.What is the mean of 2, 6, 4 and 8? (a) 7 (b) 4 (c) 6 (d) 5
  12. 12.What is the median of 2, 31, 8, 13, 17, 12 and 3? (a) 13 (b) 11 (c) 8 (d) 12
  13. 13.What is the mode of 8, 3, 8, 8, 3, 7 and 20? (a) 20 (b) 3 (c) 8 (d) 7
  14. 14.What is the mode of 2, 11, 2, 6, 6, 15 and 6? (a) 11 (b) 6 (c) 15 (d) 2
  15. 15.What is the mean of 15, 9, 13 and 23? (a) 20 (b) 12 (c) 16 (d) 15
  16. 16.The mean of 3 numbers is 11. When the number 19 is added to them, what is the new mean? (a) 13 (b) 15 (c) 11 (d) 14
  17. 17.What is the median of 29, 14, 33, 7 and 2? (a) 33 (b) 17 (c) 14 (d) 29
  18. 18.What is the mean of 17, 13, 4, 16, 5 and 11? (a) 10 (b) 12 (c) 11 (d) 13
  19. 19.What is the mode of 7, 7, 9, 9, 18, 9 and 17? (a) 7 (b) 18 (c) 17 (d) 9
  20. 20.What is the mean of 13, 6, 18, 3, 2 and 18? (a) 12 (b) 9 (c) 11 (d) 10
  21. 21.What is the mode of 8, 11, 8, 16, 8, 19 and 19? (a) 19 (b) 16 (c) 8 (d) 11
  22. 22.What is the mean of 3, 20, 18, 9, 7 and 15? (a) 11 (b) 13 (c) 12 (d) 14
  23. 23.What is the median of 27, 20, 34, 32, 7, 38 and 16? (a) 28 (b) 27 (c) 20 (d) 32
  24. 24.What is the mode of 14, 13, 6, 6, 13, 9 and 13? (a) 14 (b) 9 (c) 6 (d) 13
  25. 25.What is the mean of 7, 2, 15 and 12? (a) 9 (b) 8 (c) 12 (d) 10
  26. 26.What is the mode of 16, 6, 8, 5, 8, 5 and 5? (a) 16 (b) 6 (c) 8 (d) 5
  27. 27.The mean of 6 numbers is 39. When the number 18 is added to them, what is the new mean? (a) 37 (b) 39 (c) 35 (d) 36
  28. 28.The mean of 8 numbers is 31. When the number 22 is added to them, what is the new mean? (a) 31 (b) 30 (c) 32 (d) 29
  29. 29.The mean of 4 numbers is 26. When the number 36 is added to them, what is the new mean? (a) 31 (b) 28 (c) 29 (d) 26
  30. 30.What is the mode of 5, 5, 5, 2, 19, 13 and 2? (a) 19 (b) 2 (c) 13 (d) 5
  31. 31.What is the mean of 11, 15, 12, 11, 5 and 18? (a) 13 (b) 14 (c) 11 (d) 12
  32. 32.What is the median of 12, 10, 26, 7, 3, 36 and 32? (a) 26 (b) 18 (c) 7 (d) 12
  33. 33.What is the mean of 7, 14, 6 and 5? (a) 8 (b) 10 (c) 7 (d) 9
  34. 34.The mean of 7 numbers is 35. When the number 43 is added to them, what is the new mean? (a) 36 (b) 39 (c) 37 (d) 35
  35. 35.What is the median of 14, 36, 9, 12 and 5? (a) 9 (b) 14 (c) 12 (d) 13
  36. 36.What is the mean of 14, 11, 7, 11 and 12? (a) 12 (b) 13 (c) 10 (d) 11
  37. 37.What is the median of 16, 8, 2, 18 and 11? (a) 8 (b) 2 (c) 11 (d) 16
  38. 38.The mean of 8 numbers is 39. When the number 21 is added to them, what is the new mean? (a) 38 (b) 37 (c) 39 (d) 30
  39. 39.What is the mean of 4, 13, 2, 11 and 10? (a) 9 (b) 8 (c) 7 (d) 10
  40. 40.What is the mean of 13, 9, 12, 20 and 21? (a) 16 (b) 17 (c) 15 (d) 14

Answer key

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

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