← 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 594 · 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 17, 14, 14, 1, 14, 17 and 9? (a) 9 (b) 14 (c) 1 (d) 17
  2. 2.What is the median of 10, 17, 4, 29, 7, 1 and 37? (a) 29 (b) 15 (c) 17 (d) 10
  3. 3.What is the mean of 4, 2, 11, 8 and 15? (a) 7 (b) 8 (c) 9 (d) 10
  4. 4.What is the median of 10, 6, 20, 1, 19, 8 and 21? (a) 19 (b) 8 (c) 1 (d) 10
  5. 5.The mean of 4 numbers is 28. When the number 48 is added to them, what is the new mean? (a) 33 (b) 38 (c) 28 (d) 32
  6. 6.The mean of 8 numbers is 30. When the number 21 is added to them, what is the new mean? (a) 30 (b) 29 (c) 31 (d) 28
  7. 7.What is the mean of 16, 12, 3 and 9? (a) 11 (b) 9 (c) 10 (d) 8
  8. 8.The mean of 5 numbers is 26. When the number 2 is added to them, what is the new mean? (a) 26 (b) 22 (c) 23 (d) 14
  9. 9.What is the mode of 5, 15, 3, 14, 15, 15 and 14? (a) 5 (b) 3 (c) 14 (d) 15
  10. 10.What is the mean of 4, 9, 7, 4 and 21? (a) 11 (b) 8 (c) 9 (d) 10
  11. 11.What is the mean of 10, 4, 3, 19 and 9? (a) 9 (b) 10 (c) 11 (d) 8
  12. 12.The mean of 6 numbers is 16. When the number 44 is added to them, what is the new mean? (a) 20 (b) 30 (c) 21 (d) 16
  13. 13.What is the mode of 3, 6, 4, 4, 4, 6 and 8? (a) 8 (b) 4 (c) 3 (d) 6
  14. 14.What is the median of 18, 5, 38, 4 and 6? (a) 38 (b) 5 (c) 18 (d) 6
  15. 15.What is the median of 11, 1, 21, 8, 6, 5 and 24? (a) 9 (b) 11 (c) 6 (d) 8
  16. 16.What is the median of 40, 20, 22, 27, 6, 15 and 5? (a) 27 (b) 22 (c) 20 (d) 15
  17. 17.What is the mean of 7, 17, 6 and 18? (a) 13 (b) 11 (c) 16 (d) 12
  18. 18.What is the mode of 11, 11, 12, 12, 12, 16 and 5? (a) 16 (b) 5 (c) 12 (d) 11
  19. 19.What is the median of 33, 26, 14, 9 and 21? (a) 26 (b) 22 (c) 14 (d) 21
  20. 20.What is the median of 13, 26, 28, 30, 35, 6 and 34? (a) 29 (b) 26 (c) 30 (d) 28
  21. 21.The mean of 3 numbers is 30. When the number 18 is added to them, what is the new mean? (a) 28 (b) 27 (c) 24 (d) 30
  22. 22.What is the mean of 2, 9, 11, 9, 7 and 22? (a) 9 (b) 12 (c) 11 (d) 10
  23. 23.What is the median of 25, 4, 39, 29, 10, 30 and 31? (a) 25 (b) 24 (c) 30 (d) 29
  24. 24.What is the median of 9, 6, 24, 40 and 17? (a) 24 (b) 9 (c) 18 (d) 17
  25. 25.What is the mode of 16, 16, 13, 13, 16, 11 and 2? (a) 11 (b) 2 (c) 16 (d) 13
  26. 26.What is the mode of 2, 4, 16, 4, 18, 4 and 18? (a) 18 (b) 4 (c) 16 (d) 2
  27. 27.What is the mode of 10, 10, 11, 12, 10, 15 and 15? (a) 10 (b) 12 (c) 15 (d) 11
  28. 28.What is the mode of 14, 8, 14, 4, 10, 4 and 14? (a) 14 (b) 4 (c) 10 (d) 8
  29. 29.What is the mode of 8, 10, 18, 10, 8, 1 and 8? (a) 10 (b) 8 (c) 18 (d) 1
  30. 30.What is the median of 36, 6, 15, 35 and 9? (a) 35 (b) 9 (c) 16 (d) 15
  31. 31.What is the median of 11, 2, 27, 9 and 21? (a) 21 (b) 27 (c) 14 (d) 11
  32. 32.What is the mean of 13, 12, 14, 7, 17 and 9? (a) 11 (b) 12 (c) 13 (d) 14
  33. 33.What is the median of 37, 8, 28, 32 and 11? (a) 11 (b) 32 (c) 28 (d) 29
  34. 34.The mean of 9 numbers is 19. When the number 39 is added to them, what is the new mean? (a) 21 (b) 19 (c) 22 (d) 29
  35. 35.What is the median of 24, 33, 23, 21, 28, 20 and 22? (a) 24 (b) 23 (c) 21 (d) 22
  36. 36.What is the mean of 13, 3, 4, 4 and 6? (a) 8 (b) 6 (c) 7 (d) 5
  37. 37.The mean of 3 numbers is 12. When the number 4 is added to them, what is the new mean? (a) 10 (b) 12 (c) 8 (d) 11
  38. 38.What is the mode of 3, 11, 11, 11, 3, 1 and 5? (a) 1 (b) 11 (c) 5 (d) 3
  39. 39.What is the median of 10, 14, 9, 12 and 13? (a) 10 (b) 12 (c) 13 (d) 9
  40. 40.What is the mode of 17, 12, 2, 17, 2, 13 and 2? (a) 12 (b) 2 (c) 17 (d) 13

Answer key

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

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