← 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 458 · 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 11, 11, 11, 2, 19, 2 and 12? (a) 2 (b) 11 (c) 12 (d) 19
  2. 2.What is the mode of 13, 6, 4, 4, 13, 11 and 13? (a) 11 (b) 6 (c) 13 (d) 4
  3. 3.What is the mean of 7, 12, 20, 9 and 17? (a) 15 (b) 12 (c) 13 (d) 14
  4. 4.What is the mean of 8, 15, 16 and 5? (a) 10 (b) 12 (c) 13 (d) 11
  5. 5.What is the mode of 5, 5, 7, 13, 5, 19 and 19? (a) 13 (b) 19 (c) 7 (d) 5
  6. 6.What is the mean of 10, 11, 14, 3, 9 and 7? (a) 10 (b) 8 (c) 11 (d) 9
  7. 7.The mean of 5 numbers is 11. When the number 5 is added to them, what is the new mean? (a) 11 (b) 8 (c) 10 (d) 9
  8. 8.What is the mode of 16, 9, 6, 2, 6, 6 and 2? (a) 9 (b) 2 (c) 16 (d) 6
  9. 9.What is the mean of 9, 8, 5, 4 and 14? (a) 10 (b) 9 (c) 8 (d) 7
  10. 10.What is the mean of 9, 14, 4, 10 and 8? (a) 11 (b) 9 (c) 8 (d) 10
  11. 11.What is the mean of 2, 2, 19, 2 and 15? (a) 9 (b) 10 (c) 8 (d) 7
  12. 12.What is the mode of 16, 14, 7, 15, 7, 14 and 14? (a) 16 (b) 7 (c) 15 (d) 14
  13. 13.What is the mean of 9, 9, 13, 19, 11 and 23? (a) 15 (b) 14 (c) 13 (d) 12
  14. 14.What is the mode of 11, 11, 2, 6, 1, 1 and 1? (a) 2 (b) 11 (c) 6 (d) 1
  15. 15.The mean of 5 numbers is 38. When the number 44 is added to them, what is the new mean? (a) 38 (b) 40 (c) 39 (d) 41
  16. 16.What is the mean of 16, 15, 4, 19, 12 and 6? (a) 11 (b) 12 (c) 13 (d) 14
  17. 17.What is the median of 37, 32, 3, 6 and 38? (a) 6 (b) 3 (c) 37 (d) 32
  18. 18.What is the mean of 6, 12, 12, 4, 16 and 16? (a) 13 (b) 11 (c) 12 (d) 10
  19. 19.What is the mean of 16, 3, 3, 6, 18 and 14? (a) 9 (b) 11 (c) 10 (d) 12
  20. 20.What is the median of 12, 39, 5, 17 and 20? (a) 5 (b) 12 (c) 17 (d) 20
  21. 21.The mean of 3 numbers is 18. When the number 14 is added to them, what is the new mean? (a) 16 (b) 18 (c) 19 (d) 17
  22. 22.What is the mean of 7, 2, 11 and 8? (a) 6 (b) 7 (c) 8 (d) 9
  23. 23.The mean of 8 numbers is 14. When the number 50 is added to them, what is the new mean? (a) 19 (b) 32 (c) 18 (d) 14
  24. 24.What is the median of 6, 27, 1, 34, 13, 28 and 36? (a) 34 (b) 28 (c) 27 (d) 13
  25. 25.What is the median of 32, 38, 4, 24, 22, 2 and 29? (a) 24 (b) 22 (c) 29 (d) 25
  26. 26.What is the mean of 7, 14, 6 and 5? (a) 8 (b) 10 (c) 7 (d) 9
  27. 27.What is the mean of 12, 6, 17, 14 and 21? (a) 15 (b) 16 (c) 13 (d) 14
  28. 28.What is the mode of 7, 14, 14, 6, 14, 10 and 10? (a) 6 (b) 7 (c) 14 (d) 10
  29. 29.What is the median of 16, 19, 30, 29, 38, 17 and 7? (a) 19 (b) 29 (c) 17 (d) 20
  30. 30.What is the mean of 7, 16, 12 and 21? (a) 13 (b) 14 (c) 15 (d) 16
  31. 31.What is the mode of 4, 7, 4, 4, 2, 10 and 2? (a) 7 (b) 4 (c) 10 (d) 2
  32. 32.What is the mode of 2, 12, 4, 4, 12, 12 and 3? (a) 2 (b) 4 (c) 3 (d) 12
  33. 33.What is the mode of 2, 9, 2, 15, 15, 3 and 15? (a) 9 (b) 3 (c) 15 (d) 2
  34. 34.The mean of 5 numbers is 26. When the number 50 is added to them, what is the new mean? (a) 31 (b) 30 (c) 26 (d) 38
  35. 35.The mean of 4 numbers is 12. When the number 27 is added to them, what is the new mean? (a) 12 (b) 16 (c) 15 (d) 14
  36. 36.The mean of 6 numbers is 10. When the number 38 is added to them, what is the new mean? (a) 10 (b) 15 (c) 24 (d) 14
  37. 37.What is the mode of 7, 1, 1, 10, 1, 10 and 12? (a) 12 (b) 10 (c) 7 (d) 1
  38. 38.The mean of 9 numbers is 37. When the number 47 is added to them, what is the new mean? (a) 38 (b) 39 (c) 37 (d) 42
  39. 39.What is the mean of 12, 4, 5, 10 and 19? (a) 9 (b) 10 (c) 11 (d) 12
  40. 40.The mean of 5 numbers is 19. When the number 31 is added to them, what is the new mean? (a) 25 (b) 19 (c) 21 (d) 22

Answer key

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

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