← 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 921 · 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 4, 4, 16, 19, 4, 18 and 18? (a) 18 (b) 16 (c) 19 (d) 4
  2. 2.What is the mode of 9, 20, 16, 16, 16, 9 and 4? (a) 20 (b) 9 (c) 16 (d) 4
  3. 3.What is the mean of 2, 20, 3, 6, 9 and 20? (a) 12 (b) 10 (c) 11 (d) 9
  4. 4.What is the mode of 14, 12, 14, 12, 13, 11 and 14? (a) 12 (b) 13 (c) 11 (d) 14
  5. 5.What is the median of 33, 25, 28, 38 and 6? (a) 26 (b) 33 (c) 25 (d) 28
  6. 6.What is the mean of 5, 11, 16, 18, 15 and 7? (a) 11 (b) 13 (c) 14 (d) 12
  7. 7.The mean of 4 numbers is 26. When the number 16 is added to them, what is the new mean? (a) 26 (b) 21 (c) 25 (d) 24
  8. 8.What is the mean of 13, 2, 17 and 16? (a) 13 (b) 16 (c) 11 (d) 12
  9. 9.The mean of 3 numbers is 30. When the number 38 is added to them, what is the new mean? (a) 33 (b) 34 (c) 32 (d) 30
  10. 10.What is the median of 6, 12, 24, 21 and 13? (a) 13 (b) 21 (c) 24 (d) 12
  11. 11.What is the median of 18, 6, 32, 36, 9, 37 and 23? (a) 32 (b) 36 (c) 18 (d) 23
  12. 12.What is the mean of 12, 2, 11, 2, 13 and 14? (a) 11 (b) 10 (c) 9 (d) 8
  13. 13.What is the mode of 20, 6, 20, 20, 8, 8 and 11? (a) 11 (b) 6 (c) 8 (d) 20
  14. 14.What is the mean of 10, 12, 12, 9 and 17? (a) 10 (b) 13 (c) 15 (d) 12
  15. 15.The mean of 8 numbers is 38. When the number 29 is added to them, what is the new mean? (a) 36 (b) 37 (c) 39 (d) 38
  16. 16.What is the mean of 7, 3, 16, 15, 8 and 11? (a) 10 (b) 11 (c) 12 (d) 9
  17. 17.What is the mode of 4, 12, 16, 16, 12, 16 and 8? (a) 12 (b) 16 (c) 4 (d) 8
  18. 18.What is the mean of 2, 7, 9, 7 and 10? (a) 7 (b) 6 (c) 9 (d) 8
  19. 19.What is the mode of 1, 11, 11, 9, 12, 1 and 11? (a) 12 (b) 11 (c) 9 (d) 1
  20. 20.What is the median of 20, 8, 7, 18 and 10? (a) 8 (b) 7 (c) 18 (d) 10
  21. 21.What is the median of 10, 1, 39, 25, 4, 24 and 14? (a) 25 (b) 14 (c) 24 (d) 10
  22. 22.What is the mode of 8, 2, 2, 17, 17, 6 and 17? (a) 2 (b) 6 (c) 8 (d) 17
  23. 23.What is the mean of 9, 8, 20 and 7? (a) 12 (b) 11 (c) 10 (d) 13
  24. 24.What is the mode of 11, 11, 11, 12, 3, 16 and 3? (a) 16 (b) 11 (c) 12 (d) 3
  25. 25.What is the mode of 16, 18, 5, 20, 20, 16 and 16? (a) 16 (b) 18 (c) 5 (d) 20
  26. 26.What is the mode of 4, 3, 4, 12, 15, 4 and 12? (a) 15 (b) 4 (c) 12 (d) 3
  27. 27.What is the mean of 7, 17, 15, 19, 18 and 8? (a) 15 (b) 13 (c) 14 (d) 12
  28. 28.What is the mode of 2, 8, 10, 8, 17, 8 and 10? (a) 8 (b) 2 (c) 10 (d) 17
  29. 29.The mean of 5 numbers is 27. When the number 15 is added to them, what is the new mean? (a) 21 (b) 26 (c) 27 (d) 25
  30. 30.What is the median of 6, 34, 36, 32 and 22? (a) 34 (b) 26 (c) 36 (d) 32
  31. 31.The mean of 4 numbers is 14. When the number 34 is added to them, what is the new mean? (a) 18 (b) 24 (c) 14 (d) 19
  32. 32.What is the mode of 3, 18, 19, 19, 14, 19 and 3? (a) 19 (b) 18 (c) 14 (d) 3
  33. 33.What is the mean of 18, 12, 12 and 14? (a) 16 (b) 14 (c) 15 (d) 13
  34. 34.What is the mean of 14, 4, 5, 10, 11 and 16? (a) 11 (b) 10 (c) 9 (d) 12
  35. 35.What is the mean of 13, 13, 19 and 15? (a) 15 (b) 20 (c) 16 (d) 12
  36. 36.What is the mean of 15, 7, 10, 14, 16 and 4? (a) 12 (b) 13 (c) 11 (d) 10
  37. 37.What is the mean of 11, 9, 8 and 16? (a) 12 (b) 13 (c) 10 (d) 11
  38. 38.What is the mean of 8, 11, 9, 9, 5 and 18? (a) 12 (b) 11 (c) 10 (d) 9
  39. 39.What is the mean of 19, 3, 17, 4, 5 and 18? (a) 10 (b) 13 (c) 11 (d) 12
  40. 40.What is the mean of 4, 11, 13, 9, 9 and 20? (a) 13 (b) 11 (c) 10 (d) 12

Answer key

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

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