← 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 207 · 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 15, 19, 13, 5, 3 and 17? (a) 14 (b) 11 (c) 12 (d) 13
  2. 2.What is the median of 40, 36, 19, 22 and 5? (a) 36 (b) 19 (c) 22 (d) 23
  3. 3.The mean of 7 numbers is 34. When the number 18 is added to them, what is the new mean? (a) 26 (b) 32 (c) 34 (d) 33
  4. 4.The mean of 3 numbers is 15. When the number 3 is added to them, what is the new mean? (a) 13 (b) 9 (c) 15 (d) 12
  5. 5.What is the mode of 9, 5, 18, 9, 5, 5 and 8? (a) 9 (b) 8 (c) 5 (d) 18
  6. 6.What is the mean of 6, 4, 10 and 8? (a) 9 (b) 7 (c) 6 (d) 8
  7. 7.What is the mean of 12, 13, 7, 14, 19 and 7? (a) 13 (b) 11 (c) 14 (d) 12
  8. 8.The mean of 6 numbers is 30. When the number 37 is added to them, what is the new mean? (a) 33 (b) 31 (c) 30 (d) 32
  9. 9.The mean of 7 numbers is 29. When the number 21 is added to them, what is the new mean? (a) 29 (b) 27 (c) 25 (d) 28
  10. 10.What is the mode of 1, 18, 18, 12, 6, 18 and 1? (a) 18 (b) 6 (c) 12 (d) 1
  11. 11.What is the median of 20, 2, 24, 17 and 22? (a) 22 (b) 24 (c) 17 (d) 20
  12. 12.What is the mean of 3, 8, 3 and 10? (a) 5 (b) 8 (c) 6 (d) 7
  13. 13.What is the mean of 18, 5, 14, 17, 6 and 6? (a) 10 (b) 12 (c) 13 (d) 11
  14. 14.What is the mean of 14, 6, 13 and 15? (a) 13 (b) 16 (c) 11 (d) 12
  15. 15.The mean of 3 numbers is 30. When the number 22 is added to them, what is the new mean? (a) 28 (b) 29 (c) 26 (d) 30
  16. 16.What is the median of 25, 2, 21, 5, 40, 35 and 20? (a) 21 (b) 25 (c) 5 (d) 20
  17. 17.What is the mean of 5, 3, 19 and 13? (a) 8 (b) 9 (c) 11 (d) 10
  18. 18.What is the mean of 7, 7, 2 and 16? (a) 8 (b) 9 (c) 10 (d) 7
  19. 19.What is the mean of 15, 12, 14, 4 and 10? (a) 11 (b) 13 (c) 12 (d) 10
  20. 20.What is the median of 2, 39, 20, 31, 6, 15 and 12? (a) 20 (b) 15 (c) 31 (d) 12
  21. 21.What is the mean of 5, 12, 2, 7, 8 and 20? (a) 10 (b) 8 (c) 11 (d) 9
  22. 22.What is the median of 22, 2, 23, 38, 40, 18 and 15? (a) 38 (b) 23 (c) 18 (d) 22
  23. 23.The mean of 5 numbers is 29. When the number 41 is added to them, what is the new mean? (a) 35 (b) 32 (c) 31 (d) 29
  24. 24.What is the mean of 3, 8, 6, 8, 18 and 11? (a) 11 (b) 10 (c) 9 (d) 8
  25. 25.What is the median of 1, 4, 10, 17 and 27? (a) 11 (b) 17 (c) 10 (d) 4
  26. 26.What is the mean of 17, 10, 14, 7 and 17? (a) 14 (b) 13 (c) 15 (d) 12
  27. 27.What is the mean of 11, 8, 19, 8 and 9? (a) 13 (b) 10 (c) 12 (d) 11
  28. 28.What is the mean of 9, 5, 4, 12 and 15? (a) 8 (b) 11 (c) 9 (d) 10
  29. 29.The mean of 9 numbers is 30. When the number 20 is added to them, what is the new mean? (a) 29 (b) 28 (c) 25 (d) 30
  30. 30.What is the median of 18, 20, 25, 33, 1, 3 and 32? (a) 33 (b) 18 (c) 25 (d) 20
  31. 31.What is the mean of 4, 3, 14 and 3? (a) 6 (b) 7 (c) 5 (d) 8
  32. 32.What is the median of 26, 19, 37, 3, 5, 40 and 6? (a) 19 (b) 6 (c) 3 (d) 26
  33. 33.What is the median of 1, 35, 16, 36 and 10? (a) 10 (b) 16 (c) 35 (d) 17
  34. 34.What is the mean of 13, 9, 9 and 21? (a) 15 (b) 12 (c) 14 (d) 13
  35. 35.The mean of 7 numbers is 21. When the number 5 is added to them, what is the new mean? (a) 21 (b) 20 (c) 19 (d) 13
  36. 36.The mean of 6 numbers is 35. When the number 42 is added to them, what is the new mean? (a) 35 (b) 38 (c) 37 (d) 36
  37. 37.What is the median of 15, 30, 27, 31, 5, 6 and 8? (a) 31 (b) 27 (c) 8 (d) 15
  38. 38.What is the mean of 11, 10, 19 and 16? (a) 16 (b) 14 (c) 15 (d) 13
  39. 39.The mean of 8 numbers is 16. When the number 7 is added to them, what is the new mean? (a) 15 (b) 17 (c) 16 (d) 14
  40. 40.What is the mode of 14, 15, 14, 1, 15, 16 and 14? (a) 14 (b) 1 (c) 15 (d) 16

Answer key

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

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