← 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 830 · 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 3, 13, 8 and 20? (a) 13 (b) 10 (c) 12 (d) 11
  2. 2.The mean of 5 numbers is 38. When the number 50 is added to them, what is the new mean? (a) 38 (b) 41 (c) 44 (d) 40
  3. 3.What is the mean of 7, 15, 15, 8 and 20? (a) 14 (b) 13 (c) 15 (d) 12
  4. 4.The mean of 6 numbers is 13. When the number 6 is added to them, what is the new mean? (a) 11 (b) 13 (c) 14 (d) 12
  5. 5.What is the mean of 9, 10, 7, 10, 10 and 8? (a) 11 (b) 10 (c) 9 (d) 8
  6. 6.What is the median of 10, 7, 18, 31 and 17? (a) 17 (b) 16 (c) 10 (d) 18
  7. 7.What is the median of 7, 14, 4, 2 and 19? (a) 4 (b) 8 (c) 14 (d) 7
  8. 8.The mean of 9 numbers is 40. When the number 50 is added to them, what is the new mean? (a) 41 (b) 45 (c) 40 (d) 42
  9. 9.The mean of 4 numbers is 37. When the number 52 is added to them, what is the new mean? (a) 41 (b) 39 (c) 37 (d) 40
  10. 10.What is the mode of 10, 10, 3, 10, 11, 12 and 12? (a) 11 (b) 12 (c) 10 (d) 3
  11. 11.What is the mode of 3, 6, 6, 3, 12, 11 and 3? (a) 11 (b) 3 (c) 12 (d) 6
  12. 12.What is the mean of 16, 4, 14 and 10? (a) 11 (b) 12 (c) 13 (d) 10
  13. 13.What is the mode of 10, 15, 8, 15, 1, 15 and 8? (a) 10 (b) 15 (c) 1 (d) 8
  14. 14.What is the mean of 15, 16, 7, 18, 14 and 8? (a) 15 (b) 14 (c) 12 (d) 13
  15. 15.What is the median of 21, 6, 23, 39 and 32? (a) 21 (b) 24 (c) 32 (d) 23
  16. 16.What is the median of 12, 23, 25, 8 and 28? (a) 24 (b) 23 (c) 25 (d) 12
  17. 17.What is the mean of 2, 14, 16, 4, 11 and 7? (a) 10 (b) 8 (c) 11 (d) 9
  18. 18.What is the mode of 6, 10, 10, 10, 19, 1 and 6? (a) 1 (b) 10 (c) 19 (d) 6
  19. 19.What is the mean of 11, 9, 8, 5 and 7? (a) 10 (b) 9 (c) 8 (d) 7
  20. 20.What is the mean of 16, 17, 16, 18, 12 and 17? (a) 15 (b) 16 (c) 18 (d) 17
  21. 21.What is the median of 30, 7, 14, 28, 1, 20 and 34? (a) 21 (b) 20 (c) 14 (d) 28
  22. 22.What is the mean of 7, 4, 20 and 5? (a) 8 (b) 12 (c) 9 (d) 10
  23. 23.What is the median of 15, 40, 9, 20, 14, 1 and 12? (a) 15 (b) 20 (c) 12 (d) 14
  24. 24.The mean of 3 numbers is 37. When the number 33 is added to them, what is the new mean? (a) 35 (b) 36 (c) 38 (d) 37
  25. 25.What is the median of 21, 33, 26, 2, 7, 38 and 40? (a) 26 (b) 33 (c) 21 (d) 2
  26. 26.What is the mode of 18, 7, 3, 3, 18, 3 and 6? (a) 3 (b) 18 (c) 6 (d) 7
  27. 27.What is the mean of 4, 12, 18, 6, 11 and 15? (a) 10 (b) 12 (c) 11 (d) 13
  28. 28.What is the mean of 20, 12, 19 and 9? (a) 12 (b) 16 (c) 15 (d) 20
  29. 29.What is the mode of 3, 3, 17, 4, 17, 16 and 3? (a) 16 (b) 17 (c) 3 (d) 4
  30. 30.What is the median of 7, 38, 14, 15, 3, 16 and 29? (a) 16 (b) 14 (c) 15 (d) 17
  31. 31.What is the mean of 20, 11, 13 and 8? (a) 12 (b) 13 (c) 15 (d) 14
  32. 32.The mean of 9 numbers is 13. When the number 3 is added to them, what is the new mean? (a) 13 (b) 11 (c) 8 (d) 12
  33. 33.The mean of 3 numbers is 39. When the number 55 is added to them, what is the new mean? (a) 44 (b) 47 (c) 43 (d) 39
  34. 34.What is the median of 21, 38, 24, 7, 30, 12 and 10? (a) 24 (b) 12 (c) 7 (d) 21
  35. 35.What is the mode of 4, 11, 8, 11, 11, 12 and 8? (a) 4 (b) 8 (c) 12 (d) 11
  36. 36.What is the mode of 5, 6, 5, 10, 20, 20 and 5? (a) 10 (b) 5 (c) 6 (d) 20
  37. 37.What is the mode of 12, 18, 18, 13, 12, 12 and 7? (a) 7 (b) 18 (c) 13 (d) 12
  38. 38.What is the mode of 15, 5, 16, 4, 5, 16 and 5? (a) 5 (b) 15 (c) 4 (d) 16
  39. 39.The mean of 5 numbers is 28. When the number 46 is added to them, what is the new mean? (a) 37 (b) 31 (c) 28 (d) 32
  40. 40.The mean of 3 numbers is 11. When the number 19 is added to them, what is the new mean? (a) 13 (b) 11 (c) 15 (d) 14

Answer key

  1. 11
  2. 40
  3. 13
  4. 12
  5. 9
  6. 17
  7. 7
  8. 41
  9. 40
  10. 10
  11. 3
  12. 11
  13. 15
  14. 13
  15. 23
  16. 23
  17. 9
  18. 10
  19. 8
  20. 16
  21. 20
  22. 9
  23. 14
  24. 36
  25. 26
  26. 3
  27. 11
  28. 15
  29. 3
  30. 15
  31. 13
  32. 12
  33. 43
  34. 21
  35. 11
  36. 5
  37. 12
  38. 5
  39. 31
  40. 13

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