← 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 360 · 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 8, 19, 8 and 17? (a) 14 (b) 13 (c) 15 (d) 12
  2. 2.What is the mean of 7, 3, 16, 9 and 5? (a) 8 (b) 7 (c) 9 (d) 10
  3. 3.What is the mean of 7, 13, 9 and 11? (a) 8 (b) 11 (c) 9 (d) 10
  4. 4.What is the mean of 7, 19, 12 and 6? (a) 11 (b) 10 (c) 13 (d) 12
  5. 5.What is the median of 32, 9, 36, 1 and 15? (a) 9 (b) 32 (c) 15 (d) 36
  6. 6.What is the median of 21, 15, 3, 11, 14, 24 and 2? (a) 13 (b) 14 (c) 11 (d) 15
  7. 7.What is the mean of 19, 7, 10, 6 and 18? (a) 13 (b) 10 (c) 12 (d) 15
  8. 8.What is the median of 30, 22, 17, 16, 4, 12 and 25? (a) 18 (b) 22 (c) 16 (d) 17
  9. 9.What is the mode of 4, 4, 13, 17, 4, 1 and 17? (a) 17 (b) 13 (c) 1 (d) 4
  10. 10.The mean of 5 numbers is 38. When the number 32 is added to them, what is the new mean? (a) 37 (b) 38 (c) 36 (d) 35
  11. 11.What is the mean of 9, 12, 10 and 9? (a) 8 (b) 11 (c) 9 (d) 10
  12. 12.What is the median of 34, 28, 1, 7 and 25? (a) 1 (b) 19 (c) 25 (d) 28
  13. 13.What is the mode of 11, 4, 4, 19, 8, 8 and 8? (a) 4 (b) 11 (c) 19 (d) 8
  14. 14.The mean of 4 numbers is 32. When the number 17 is added to them, what is the new mean? (a) 30 (b) 28 (c) 29 (d) 32
  15. 15.What is the median of 24, 6, 2, 19 and 16? (a) 19 (b) 6 (c) 2 (d) 16
  16. 16.What is the mean of 9, 18, 20, 4 and 19? (a) 14 (b) 15 (c) 16 (d) 13
  17. 17.What is the mean of 8, 13, 6, 2 and 11? (a) 8 (b) 7 (c) 10 (d) 9
  18. 18.What is the median of 9, 16, 30, 32, 18, 37 and 10? (a) 16 (b) 30 (c) 18 (d) 32
  19. 19.What is the median of 20, 2, 25, 30, 34, 12 and 31? (a) 22 (b) 25 (c) 30 (d) 20
  20. 20.The mean of 9 numbers is 35. When the number 15 is added to them, what is the new mean? (a) 35 (b) 25 (c) 33 (d) 34
  21. 21.What is the mode of 1, 8, 14, 19, 8, 19 and 19? (a) 19 (b) 14 (c) 1 (d) 8
  22. 22.What is the median of 5, 17, 7, 10 and 33? (a) 17 (b) 10 (c) 7 (d) 11
  23. 23.The mean of 7 numbers is 31. When the number 15 is added to them, what is the new mean? (a) 23 (b) 31 (c) 29 (d) 30
  24. 24.The mean of 5 numbers is 11. When the number 35 is added to them, what is the new mean? (a) 11 (b) 23 (c) 16 (d) 15
  25. 25.What is the mode of 3, 18, 15, 12, 18, 12 and 12? (a) 15 (b) 3 (c) 18 (d) 12
  26. 26.What is the mode of 20, 5, 5, 3, 3, 17 and 3? (a) 17 (b) 20 (c) 5 (d) 3
  27. 27.What is the mean of 17, 7, 4, 13, 2 and 11? (a) 11 (b) 10 (c) 8 (d) 9
  28. 28.The mean of 3 numbers is 18. When the number 6 is added to them, what is the new mean? (a) 18 (b) 15 (c) 16 (d) 12
  29. 29.The mean of 4 numbers is 28. When the number 18 is added to them, what is the new mean? (a) 27 (b) 28 (c) 23 (d) 26
  30. 30.What is the mean of 9, 12, 8, 17, 17 and 9? (a) 11 (b) 12 (c) 14 (d) 13
  31. 31.What is the median of 7, 40, 37, 26 and 19? (a) 37 (b) 19 (c) 27 (d) 26
  32. 32.What is the mode of 19, 9, 19, 19, 3, 9 and 18? (a) 18 (b) 19 (c) 3 (d) 9
  33. 33.The mean of 4 numbers is 39. When the number 59 is added to them, what is the new mean? (a) 43 (b) 44 (c) 49 (d) 39
  34. 34.What is the median of 27, 14, 7, 31, 10, 24 and 8? (a) 31 (b) 10 (c) 24 (d) 14
  35. 35.What is the median of 40, 7, 12, 39, 28, 8 and 31? (a) 12 (b) 31 (c) 39 (d) 28
  36. 36.What is the mean of 18, 12, 7, 14, 17 and 22? (a) 14 (b) 18 (c) 16 (d) 15
  37. 37.What is the mean of 12, 3, 2, 10 and 13? (a) 8 (b) 10 (c) 7 (d) 9
  38. 38.What is the mean of 9, 9, 5, 17 and 15? (a) 10 (b) 13 (c) 12 (d) 11
  39. 39.What is the median of 25, 29, 22, 24 and 19? (a) 25 (b) 23 (c) 24 (d) 22
  40. 40.The mean of 7 numbers is 18. When the number 10 is added to them, what is the new mean? (a) 14 (b) 17 (c) 16 (d) 18

Answer key

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

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