← 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 266 · 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 16, 17, 20, 7 and 10? (a) 13 (b) 14 (c) 15 (d) 16
  2. 2.What is the mode of 13, 11, 13, 6, 8, 13 and 11? (a) 13 (b) 8 (c) 11 (d) 6
  3. 3.What is the mean of 5, 5, 5, 20 and 15? (a) 9 (b) 10 (c) 11 (d) 12
  4. 4.What is the mode of 16, 11, 16, 13, 16, 11 and 12? (a) 12 (b) 11 (c) 13 (d) 16
  5. 5.What is the mean of 10, 20, 17 and 9? (a) 13 (b) 15 (c) 16 (d) 14
  6. 6.What is the median of 4, 24, 25, 34, 7, 5 and 32? (a) 25 (b) 24 (c) 7 (d) 34
  7. 7.The mean of 3 numbers is 18. When the number 6 is added to them, what is the new mean? (a) 15 (b) 16 (c) 12 (d) 18
  8. 8.What is the mode of 4, 20, 11, 4, 11, 4 and 12? (a) 4 (b) 12 (c) 11 (d) 20
  9. 9.What is the mean of 17, 13, 20, 10 and 15? (a) 16 (b) 17 (c) 14 (d) 15
  10. 10.What is the mean of 9, 18, 10, 10, 8 and 17? (a) 11 (b) 13 (c) 12 (d) 14
  11. 11.The mean of 6 numbers is 34. When the number 27 is added to them, what is the new mean? (a) 33 (b) 35 (c) 32 (d) 34
  12. 12.What is the mode of 16, 3, 3, 19, 5, 3 and 16? (a) 5 (b) 19 (c) 16 (d) 3
  13. 13.What is the mode of 18, 19, 18, 18, 17, 6 and 19? (a) 19 (b) 17 (c) 18 (d) 6
  14. 14.What is the mode of 16, 19, 19, 16, 9, 16 and 10? (a) 9 (b) 10 (c) 16 (d) 19
  15. 15.What is the median of 9, 20, 21, 29 and 6? (a) 17 (b) 21 (c) 9 (d) 20
  16. 16.The mean of 9 numbers is 27. When the number 67 is added to them, what is the new mean? (a) 31 (b) 32 (c) 47 (d) 27
  17. 17.The mean of 6 numbers is 29. When the number 36 is added to them, what is the new mean? (a) 32 (b) 30 (c) 31 (d) 29
  18. 18.The mean of 3 numbers is 25. When the number 13 is added to them, what is the new mean? (a) 19 (b) 25 (c) 23 (d) 22
  19. 19.What is the mean of 3, 7, 4 and 2? (a) 3 (b) 6 (c) 5 (d) 4
  20. 20.What is the median of 36, 16, 17, 4, 7, 22 and 8? (a) 17 (b) 4 (c) 8 (d) 16
  21. 21.What is the median of 4, 12, 20, 23 and 10? (a) 13 (b) 12 (c) 10 (d) 20
  22. 22.The mean of 5 numbers is 17. When the number 5 is added to them, what is the new mean? (a) 11 (b) 17 (c) 16 (d) 15
  23. 23.The mean of 8 numbers is 12. When the number 39 is added to them, what is the new mean? (a) 14 (b) 12 (c) 16 (d) 15
  24. 24.The mean of 6 numbers is 12. When the number 40 is added to them, what is the new mean? (a) 16 (b) 12 (c) 17 (d) 26
  25. 25.What is the mean of 13, 16, 3 and 20? (a) 12 (b) 13 (c) 15 (d) 14
  26. 26.What is the mode of 18, 18, 2, 20, 5, 2 and 2? (a) 5 (b) 18 (c) 20 (d) 2
  27. 27.What is the median of 14, 9, 13, 8, 27, 15 and 18? (a) 14 (b) 13 (c) 8 (d) 15
  28. 28.What is the median of 12, 27, 1, 40 and 30? (a) 30 (b) 1 (c) 27 (d) 22
  29. 29.What is the mean of 6, 6, 19 and 17? (a) 11 (b) 12 (c) 16 (d) 13
  30. 30.What is the mode of 5, 5, 11, 11, 2, 5 and 17? (a) 17 (b) 5 (c) 2 (d) 11
  31. 31.What is the mode of 5, 4, 9, 4, 12, 12 and 12? (a) 4 (b) 5 (c) 9 (d) 12
  32. 32.What is the mean of 11, 20, 11 and 18? (a) 20 (b) 12 (c) 16 (d) 15
  33. 33.What is the median of 23, 20, 40, 27, 5, 18 and 15? (a) 23 (b) 27 (c) 18 (d) 20
  34. 34.The mean of 4 numbers is 21. When the number 16 is added to them, what is the new mean? (a) 22 (b) 20 (c) 19 (d) 21
  35. 35.The mean of 9 numbers is 15. When the number 35 is added to them, what is the new mean? (a) 15 (b) 25 (c) 17 (d) 18
  36. 36.The mean of 8 numbers is 33. When the number 24 is added to them, what is the new mean? (a) 32 (b) 34 (c) 31 (d) 33
  37. 37.What is the mean of 15, 11, 6, 4, 6 and 6? (a) 8 (b) 9 (c) 7 (d) 10
  38. 38.What is the median of 8, 17, 11, 16, 23, 39 and 27? (a) 23 (b) 18 (c) 17 (d) 16
  39. 39.What is the mean of 3, 20, 3, 15, 18 and 25? (a) 15 (b) 12 (c) 13 (d) 14
  40. 40.What is the median of 30, 36, 6, 8, 26, 25 and 11? (a) 25 (b) 26 (c) 11 (d) 8

Answer key

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

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