← 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 809 · 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 median of 11, 23, 24, 26, 5, 3 and 12? (a) 11 (b) 23 (c) 26 (d) 12
  2. 2.The mean of 5 numbers is 32. When the number 20 is added to them, what is the new mean? (a) 32 (b) 26 (c) 30 (d) 31
  3. 3.What is the mode of 19, 20, 19, 6, 18, 19 and 20? (a) 18 (b) 20 (c) 6 (d) 19
  4. 4.What is the median of 21, 19, 12, 18 and 33? (a) 18 (b) 21 (c) 12 (d) 19
  5. 5.The mean of 7 numbers is 10. When the number 26 is added to them, what is the new mean? (a) 10 (b) 18 (c) 12 (d) 13
  6. 6.What is the median of 24, 36, 21, 19 and 20? (a) 24 (b) 21 (c) 20 (d) 22
  7. 7.What is the mode of 20, 19, 19, 20, 8, 19 and 13? (a) 13 (b) 8 (c) 20 (d) 19
  8. 8.The mean of 3 numbers is 11. When the number 15 is added to them, what is the new mean? (a) 13 (b) 14 (c) 11 (d) 12
  9. 9.What is the mean of 9, 8, 19, 5, 6 and 13? (a) 10 (b) 12 (c) 11 (d) 9
  10. 10.What is the mode of 15, 1, 15, 1, 5, 15 and 18? (a) 1 (b) 18 (c) 5 (d) 15
  11. 11.What is the mean of 9, 10, 9, 19, 8 and 17? (a) 11 (b) 13 (c) 12 (d) 14
  12. 12.What is the mean of 18, 15, 15, 13 and 14? (a) 14 (b) 17 (c) 15 (d) 16
  13. 13.What is the median of 30, 17, 37, 2 and 24? (a) 30 (b) 37 (c) 22 (d) 24
  14. 14.The mean of 3 numbers is 21. When the number 9 is added to them, what is the new mean? (a) 18 (b) 15 (c) 21 (d) 19
  15. 15.What is the median of 5, 36, 24, 4 and 28? (a) 5 (b) 25 (c) 24 (d) 28
  16. 16.What is the mean of 19, 15, 2, 2, 18 and 10? (a) 10 (b) 11 (c) 13 (d) 12
  17. 17.What is the mode of 18, 16, 18, 18, 16, 9 and 8? (a) 8 (b) 16 (c) 18 (d) 9
  18. 18.What is the mean of 16, 18, 13, 4 and 14? (a) 13 (b) 15 (c) 14 (d) 12
  19. 19.What is the median of 14, 33, 6, 22 and 29? (a) 6 (b) 22 (c) 29 (d) 14
  20. 20.What is the mean of 16, 18, 9 and 17? (a) 12 (b) 20 (c) 15 (d) 16
  21. 21.What is the median of 3, 23, 10, 1, 22, 35 and 33? (a) 23 (b) 1 (c) 10 (d) 22
  22. 22.What is the mode of 4, 5, 4, 5, 5, 9 and 18? (a) 4 (b) 5 (c) 18 (d) 9
  23. 23.What is the median of 38, 16, 25, 15, 31, 1 and 4? (a) 16 (b) 17 (c) 15 (d) 25
  24. 24.What is the mean of 17, 7, 2 and 14? (a) 11 (b) 8 (c) 9 (d) 10
  25. 25.What is the mean of 20, 6, 6, 11 and 12? (a) 11 (b) 10 (c) 13 (d) 12
  26. 26.What is the mode of 12, 8, 12, 8, 19, 18 and 8? (a) 19 (b) 18 (c) 8 (d) 12
  27. 27.What is the median of 29, 16, 39, 4, 13, 5 and 33? (a) 13 (b) 16 (c) 4 (d) 29
  28. 28.What is the mode of 20, 12, 12, 20, 12, 17 and 3? (a) 20 (b) 17 (c) 12 (d) 3
  29. 29.What is the mode of 18, 19, 19, 10, 10, 19 and 7? (a) 19 (b) 10 (c) 7 (d) 18
  30. 30.What is the median of 5, 34, 39, 32 and 31? (a) 34 (b) 39 (c) 32 (d) 31
  31. 31.What is the median of 2, 14, 1, 31 and 28? (a) 28 (b) 2 (c) 14 (d) 1
  32. 32.What is the mean of 5, 18, 12, 17, 3 and 23? (a) 13 (b) 15 (c) 14 (d) 12
  33. 33.What is the mean of 17, 13, 11, 4 and 15? (a) 15 (b) 13 (c) 10 (d) 12
  34. 34.What is the mode of 5, 5, 4, 1, 19, 1 and 1? (a) 4 (b) 19 (c) 1 (d) 5
  35. 35.What is the median of 30, 19, 5, 8, 29, 27 and 17? (a) 17 (b) 27 (c) 8 (d) 19
  36. 36.What is the mode of 2, 5, 8, 8, 5, 17 and 8? (a) 17 (b) 8 (c) 2 (d) 5
  37. 37.What is the median of 17, 33, 4, 29, 15, 7 and 12? (a) 29 (b) 15 (c) 17 (d) 12
  38. 38.What is the mode of 17, 17, 3, 8, 10, 8 and 17? (a) 8 (b) 17 (c) 10 (d) 3
  39. 39.The mean of 4 numbers is 17. When the number 37 is added to them, what is the new mean? (a) 27 (b) 22 (c) 17 (d) 21
  40. 40.What is the mean of 11, 15, 5, 13 and 11? (a) 11 (b) 12 (c) 13 (d) 10

Answer key

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

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