← 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 638 · 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 4, 7, 7, 7, 1, 20 and 1? (a) 7 (b) 4 (c) 20 (d) 1
  2. 2.What is the mean of 20, 16, 20 and 8? (a) 15 (b) 17 (c) 18 (d) 16
  3. 3.What is the mode of 10, 2, 14, 9, 9, 9 and 2? (a) 9 (b) 2 (c) 10 (d) 14
  4. 4.What is the median of 3, 33, 24, 31 and 22? (a) 25 (b) 22 (c) 24 (d) 31
  5. 5.What is the mode of 17, 8, 2, 2, 5, 8 and 8? (a) 5 (b) 17 (c) 2 (d) 8
  6. 6.What is the mode of 11, 3, 11, 11, 9, 3 and 8? (a) 11 (b) 3 (c) 8 (d) 9
  7. 7.What is the median of 4, 21, 39, 17 and 26? (a) 17 (b) 21 (c) 39 (d) 26
  8. 8.The mean of 7 numbers is 25. When the number 57 is added to them, what is the new mean? (a) 30 (b) 25 (c) 29 (d) 41
  9. 9.What is the mean of 6, 14, 6, 14 and 15? (a) 10 (b) 13 (c) 11 (d) 12
  10. 10.What is the median of 11, 10, 34, 6, 1, 23 and 13? (a) 6 (b) 14 (c) 13 (d) 11
  11. 11.What is the mode of 12, 11, 5, 11, 12, 12 and 14? (a) 14 (b) 5 (c) 11 (d) 12
  12. 12.What is the mode of 17, 15, 7, 7, 7, 17 and 2? (a) 17 (b) 15 (c) 2 (d) 7
  13. 13.What is the mode of 20, 20, 15, 4, 7, 15 and 20? (a) 20 (b) 7 (c) 15 (d) 4
  14. 14.What is the mean of 6, 16, 3 and 3? (a) 8 (b) 7 (c) 9 (d) 6
  15. 15.The mean of 8 numbers is 11. When the number 47 is added to them, what is the new mean? (a) 15 (b) 11 (c) 29 (d) 16
  16. 16.The mean of 5 numbers is 28. When the number 34 is added to them, what is the new mean? (a) 31 (b) 29 (c) 28 (d) 30
  17. 17.What is the mode of 2, 10, 11, 10, 3, 11 and 10? (a) 2 (b) 10 (c) 11 (d) 3
  18. 18.What is the mode of 16, 16, 2, 15, 7, 16 and 7? (a) 16 (b) 2 (c) 15 (d) 7
  19. 19.The mean of 4 numbers is 35. When the number 40 is added to them, what is the new mean? (a) 38 (b) 37 (c) 36 (d) 35
  20. 20.What is the mode of 1, 1, 20, 10, 20, 17 and 20? (a) 20 (b) 17 (c) 1 (d) 10
  21. 21.What is the median of 8, 24, 15, 19 and 36? (a) 24 (b) 19 (c) 15 (d) 20
  22. 22.What is the mode of 10, 5, 10, 11, 5, 10 and 19? (a) 5 (b) 19 (c) 10 (d) 11
  23. 23.What is the median of 36, 10, 11, 39 and 15? (a) 16 (b) 11 (c) 36 (d) 15
  24. 24.What is the mode of 11, 5, 11, 12, 12, 11 and 1? (a) 12 (b) 1 (c) 11 (d) 5
  25. 25.What is the mode of 17, 2, 10, 17, 17, 11 and 10? (a) 10 (b) 2 (c) 11 (d) 17
  26. 26.What is the mean of 16, 3, 6 and 15? (a) 8 (b) 9 (c) 11 (d) 10
  27. 27.What is the mode of 20, 13, 1, 17, 13, 17 and 13? (a) 13 (b) 1 (c) 20 (d) 17
  28. 28.What is the median of 30, 39, 11, 33, 34, 4 and 23? (a) 23 (b) 31 (c) 30 (d) 33
  29. 29.What is the median of 30, 28, 21, 2, 15, 36 and 9? (a) 15 (b) 21 (c) 2 (d) 28
  30. 30.What is the mean of 10, 3, 9 and 14? (a) 12 (b) 10 (c) 8 (d) 9
  31. 31.What is the mean of 18, 9, 17, 18 and 8? (a) 13 (b) 15 (c) 16 (d) 14
  32. 32.What is the mean of 16, 8, 20, 7 and 9? (a) 15 (b) 12 (c) 10 (d) 13
  33. 33.The mean of 6 numbers is 40. When the number 68 is added to them, what is the new mean? (a) 54 (b) 40 (c) 45 (d) 44
  34. 34.What is the median of 29, 12, 7, 14, 3, 19 and 8? (a) 13 (b) 14 (c) 12 (d) 8
  35. 35.What is the mode of 9, 4, 12, 4, 4, 12 and 5? (a) 5 (b) 4 (c) 12 (d) 9
  36. 36.What is the mean of 4, 6, 3, 9 and 18? (a) 10 (b) 9 (c) 8 (d) 7
  37. 37.What is the median of 31, 25, 18, 14, 8, 1 and 35? (a) 19 (b) 14 (c) 25 (d) 18
  38. 38.What is the mean of 13, 6, 6 and 3? (a) 7 (b) 8 (c) 9 (d) 6
  39. 39.What is the median of 7, 34, 17, 30 and 16? (a) 16 (b) 17 (c) 18 (d) 30
  40. 40.What is the mean of 18, 3, 7 and 16? (a) 10 (b) 11 (c) 13 (d) 12

Answer key

  1. 7
  2. 16
  3. 9
  4. 24
  5. 8
  6. 11
  7. 21
  8. 29
  9. 11
  10. 11
  11. 12
  12. 7
  13. 20
  14. 7
  15. 15
  16. 29
  17. 10
  18. 16
  19. 36
  20. 20
  21. 19
  22. 10
  23. 15
  24. 11
  25. 17
  26. 10
  27. 13
  28. 30
  29. 21
  30. 9
  31. 14
  32. 12
  33. 44
  34. 12
  35. 4
  36. 8
  37. 18
  38. 7
  39. 17
  40. 11

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