← 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 859 · 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 12, 15, 17, 10, 11 and 19? (a) 13 (b) 15 (c) 12 (d) 14
  2. 2.The mean of 4 numbers is 32. When the number 37 is added to them, what is the new mean? (a) 33 (b) 34 (c) 35 (d) 32
  3. 3.What is the mode of 13, 15, 14, 13, 13, 11 and 15? (a) 15 (b) 13 (c) 14 (d) 11
  4. 4.What is the mean of 17, 5, 7, 9, 5 and 17? (a) 12 (b) 9 (c) 11 (d) 10
  5. 5.What is the mode of 19, 2, 17, 17, 18, 18 and 17? (a) 18 (b) 17 (c) 2 (d) 19
  6. 6.What is the mode of 5, 16, 5, 5, 4, 17 and 17? (a) 4 (b) 16 (c) 17 (d) 5
  7. 7.What is the median of 26, 10, 15, 17 and 11? (a) 16 (b) 11 (c) 15 (d) 17
  8. 8.What is the mean of 18, 13, 16 and 21? (a) 19 (b) 18 (c) 16 (d) 17
  9. 9.What is the median of 1, 11, 16, 40, 37, 35 and 10? (a) 35 (b) 11 (c) 16 (d) 40
  10. 10.What is the mode of 8, 16, 19, 12, 8, 8 and 19? (a) 16 (b) 8 (c) 12 (d) 19
  11. 11.What is the mean of 18, 20, 3, 14 and 10? (a) 13 (b) 14 (c) 12 (d) 15
  12. 12.What is the mode of 14, 6, 3, 3, 6, 3 and 10? (a) 10 (b) 6 (c) 3 (d) 14
  13. 13.What is the mode of 13, 13, 15, 15, 3, 2 and 15? (a) 3 (b) 15 (c) 2 (d) 13
  14. 14.The mean of 3 numbers is 16. When the number 8 is added to them, what is the new mean? (a) 12 (b) 15 (c) 14 (d) 16
  15. 15.What is the mean of 12, 9, 5 and 10? (a) 8 (b) 12 (c) 9 (d) 10
  16. 16.What is the median of 17, 25, 10, 39, 36, 5 and 23? (a) 17 (b) 25 (c) 39 (d) 23
  17. 17.What is the median of 3, 35, 31, 30 and 18? (a) 29 (b) 31 (c) 18 (d) 30
  18. 18.What is the mean of 20, 6, 14, 4, 18 and 10? (a) 13 (b) 11 (c) 12 (d) 14
  19. 19.The mean of 4 numbers is 18. When the number 28 is added to them, what is the new mean? (a) 18 (b) 21 (c) 23 (d) 20
  20. 20.What is the median of 16, 34, 3, 24, 6, 11 and 38? (a) 16 (b) 11 (c) 24 (d) 17
  21. 21.What is the mode of 2, 3, 2, 17, 12, 3 and 3? (a) 17 (b) 12 (c) 3 (d) 2
  22. 22.What is the mean of 7, 9, 16, 5 and 8? (a) 10 (b) 8 (c) 9 (d) 11
  23. 23.The mean of 5 numbers is 23. When the number 47 is added to them, what is the new mean? (a) 27 (b) 23 (c) 35 (d) 28
  24. 24.What is the mode of 9, 9, 14, 9, 7, 7 and 19? (a) 19 (b) 9 (c) 14 (d) 7
  25. 25.The mean of 8 numbers is 14. When the number 50 is added to them, what is the new mean? (a) 19 (b) 18 (c) 14 (d) 32
  26. 26.What is the median of 31, 35, 1, 15 and 38? (a) 35 (b) 24 (c) 1 (d) 31
  27. 27.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
  28. 28.What is the median of 17, 13, 3, 26 and 2? (a) 17 (b) 14 (c) 13 (d) 3
  29. 29.What is the mode of 16, 18, 19, 2, 16, 2 and 2? (a) 19 (b) 2 (c) 16 (d) 18
  30. 30.What is the median of 20, 37, 12, 18 and 3? (a) 19 (b) 20 (c) 18 (d) 12
  31. 31.What is the mean of 7, 12, 13, 5 and 8? (a) 8 (b) 9 (c) 11 (d) 10
  32. 32.What is the mean of 6, 18, 15, 18 and 18? (a) 16 (b) 17 (c) 14 (d) 15
  33. 33.What is the median of 29, 30, 9, 21, 27, 28 and 34? (a) 29 (b) 27 (c) 28 (d) 21
  34. 34.What is the mean of 14, 14, 14, 10 and 8? (a) 10 (b) 13 (c) 15 (d) 12
  35. 35.What is the mode of 15, 17, 4, 4, 4, 17 and 1? (a) 4 (b) 17 (c) 1 (d) 15
  36. 36.What is the mode of 11, 15, 15, 2, 2, 2 and 1? (a) 15 (b) 11 (c) 1 (d) 2
  37. 37.What is the mode of 3, 8, 16, 18, 3, 8 and 3? (a) 8 (b) 16 (c) 18 (d) 3
  38. 38.What is the mode of 3, 9, 9, 3, 7, 2 and 9? (a) 2 (b) 3 (c) 9 (d) 7
  39. 39.What is the median of 35, 6, 27, 3 and 20? (a) 6 (b) 27 (c) 20 (d) 21
  40. 40.What is the mean of 3, 11, 15 and 11? (a) 8 (b) 10 (c) 9 (d) 11

Answer key

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

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