← 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 849 · 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, 20, 18, 6 and 21? (a) 16 (b) 14 (c) 17 (d) 15
  2. 2.What is the median of 27, 33, 16, 37 and 10? (a) 33 (b) 16 (c) 28 (d) 27
  3. 3.What is the median of 3, 33, 20, 14, 39, 29 and 31? (a) 20 (b) 31 (c) 14 (d) 29
  4. 4.What is the mode of 16, 17, 7, 13, 17, 16 and 16? (a) 17 (b) 7 (c) 16 (d) 13
  5. 5.What is the median of 1, 25, 33, 38 and 30? (a) 33 (b) 31 (c) 30 (d) 25
  6. 6.What is the mean of 5, 19, 11, 11 and 14? (a) 12 (b) 13 (c) 10 (d) 15
  7. 7.What is the mode of 1, 4, 4, 8, 3, 4 and 8? (a) 1 (b) 4 (c) 3 (d) 8
  8. 8.What is the mode of 11, 4, 2, 9, 9, 2 and 2? (a) 9 (b) 4 (c) 11 (d) 2
  9. 9.What is the median of 22, 20, 30, 25, 37, 24 and 38? (a) 30 (b) 25 (c) 24 (d) 28
  10. 10.The mean of 6 numbers is 32. When the number 53 is added to them, what is the new mean? (a) 35 (b) 32 (c) 36 (d) 34
  11. 11.What is the mean of 20, 6, 6, 17, 5 and 6? (a) 9 (b) 12 (c) 10 (d) 11
  12. 12.The mean of 9 numbers is 40. When the number 20 is added to them, what is the new mean? (a) 38 (b) 30 (c) 40 (d) 39
  13. 13.What is the mean of 5, 12, 2, 16 and 10? (a) 11 (b) 10 (c) 8 (d) 9
  14. 14.The mean of 7 numbers is 35. When the number 27 is added to them, what is the new mean? (a) 31 (b) 35 (c) 33 (d) 34
  15. 15.The mean of 5 numbers is 36. When the number 42 is added to them, what is the new mean? (a) 36 (b) 39 (c) 38 (d) 37
  16. 16.The mean of 3 numbers is 35. When the number 47 is added to them, what is the new mean? (a) 41 (b) 39 (c) 38 (d) 35
  17. 17.What is the mode of 4, 6, 6, 4, 11, 4 and 3? (a) 4 (b) 11 (c) 6 (d) 3
  18. 18.The mean of 7 numbers is 16. When the number 40 is added to them, what is the new mean? (a) 28 (b) 16 (c) 19 (d) 20
  19. 19.What is the mean of 3, 13, 17 and 19? (a) 14 (b) 12 (c) 13 (d) 15
  20. 20.What is the mean of 16, 15, 19, 5 and 15? (a) 16 (b) 14 (c) 13 (d) 15
  21. 21.What is the mean of 3, 7, 10 and 20? (a) 11 (b) 8 (c) 10 (d) 9
  22. 22.What is the mode of 1, 1, 8, 2, 12, 8 and 1? (a) 2 (b) 8 (c) 12 (d) 1
  23. 23.What is the mean of 7, 2, 15 and 16? (a) 9 (b) 8 (c) 10 (d) 11
  24. 24.What is the mode of 19, 6, 9, 19, 9, 8 and 19? (a) 9 (b) 8 (c) 6 (d) 19
  25. 25.What is the mode of 5, 5, 1, 5, 12, 12 and 15? (a) 1 (b) 5 (c) 12 (d) 15
  26. 26.What is the median of 27, 4, 34, 16 and 7? (a) 16 (b) 27 (c) 34 (d) 7
  27. 27.What is the median of 9, 3, 28, 1 and 24? (a) 9 (b) 24 (c) 13 (d) 28
  28. 28.The mean of 4 numbers is 12. When the number 32 is added to them, what is the new mean? (a) 16 (b) 22 (c) 12 (d) 17
  29. 29.What is the median of 18, 29, 19, 40, 32, 23 and 5? (a) 29 (b) 40 (c) 19 (d) 23
  30. 30.What is the median of 35, 37, 27, 6 and 3? (a) 28 (b) 27 (c) 35 (d) 6
  31. 31.What is the median of 8, 2, 1, 4 and 3? (a) 1 (b) 3 (c) 2 (d) 4
  32. 32.What is the mean of 11, 17, 7, 6 and 19? (a) 13 (b) 15 (c) 12 (d) 10
  33. 33.What is the mean of 13, 18, 2, 6 and 16? (a) 10 (b) 13 (c) 11 (d) 12
  34. 34.What is the mean of 18, 18, 14, 4 and 6? (a) 12 (b) 15 (c) 10 (d) 13
  35. 35.The mean of 8 numbers is 34. When the number 52 is added to them, what is the new mean? (a) 43 (b) 37 (c) 36 (d) 34
  36. 36.The mean of 9 numbers is 32. When the number 12 is added to them, what is the new mean? (a) 32 (b) 31 (c) 30 (d) 22
  37. 37.What is the mode of 15, 10, 15, 12, 2, 10 and 15? (a) 10 (b) 12 (c) 15 (d) 2
  38. 38.What is the mean of 4, 12, 2, 10, 10 and 10? (a) 10 (b) 9 (c) 7 (d) 8
  39. 39.What is the mode of 10, 10, 20, 20, 11, 2 and 20? (a) 10 (b) 11 (c) 20 (d) 2
  40. 40.What is the mode of 9, 5, 1, 1, 9, 1 and 17? (a) 9 (b) 5 (c) 17 (d) 1

Answer key

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

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