← 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 65 · 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 6, 2, 7, 6, 13 and 8? (a) 7 (b) 9 (c) 8 (d) 6
  2. 2.What is the mean of 19, 2, 19 and 12? (a) 14 (b) 12 (c) 13 (d) 15
  3. 3.What is the median of 3, 36, 24, 4 and 26? (a) 26 (b) 25 (c) 24 (d) 4
  4. 4.The mean of 6 numbers is 20. When the number 13 is added to them, what is the new mean? (a) 20 (b) 18 (c) 21 (d) 19
  5. 5.What is the mean of 4, 6, 8, 16, 12 and 20? (a) 12 (b) 10 (c) 13 (d) 11
  6. 6.What is the median of 10, 26, 28, 29, 12, 9 and 13? (a) 29 (b) 26 (c) 12 (d) 13
  7. 7.What is the mean of 14, 19, 20, 19 and 18? (a) 15 (b) 19 (c) 18 (d) 17
  8. 8.The mean of 4 numbers is 35. When the number 25 is added to them, what is the new mean? (a) 33 (b) 35 (c) 30 (d) 34
  9. 9.The mean of 3 numbers is 36. When the number 52 is added to them, what is the new mean? (a) 44 (b) 41 (c) 40 (d) 36
  10. 10.What is the median of 25, 30, 8, 14 and 27? (a) 8 (b) 14 (c) 27 (d) 25
  11. 11.What is the mean of 4, 16, 5, 16 and 9? (a) 11 (b) 12 (c) 9 (d) 10
  12. 12.The mean of 6 numbers is 24. When the number 52 is added to them, what is the new mean? (a) 24 (b) 29 (c) 38 (d) 28
  13. 13.What is the mean of 14, 19, 11, 19, 3 and 24? (a) 16 (b) 18 (c) 15 (d) 14
  14. 14.What is the mode of 18, 19, 5, 5, 20, 5 and 19? (a) 5 (b) 19 (c) 20 (d) 18
  15. 15.What is the mode of 16, 9, 12, 12, 16, 12 and 14? (a) 12 (b) 14 (c) 16 (d) 9
  16. 16.What is the median of 22, 40, 25, 15 and 24? (a) 22 (b) 24 (c) 25 (d) 23
  17. 17.What is the mean of 6, 5, 8 and 13? (a) 9 (b) 10 (c) 7 (d) 8
  18. 18.What is the mean of 15, 9, 3 and 13? (a) 8 (b) 10 (c) 9 (d) 11
  19. 19.What is the mean of 18, 7, 13, 6 and 11? (a) 12 (b) 11 (c) 10 (d) 13
  20. 20.What is the mode of 16, 16, 4, 18, 4, 13 and 16? (a) 4 (b) 16 (c) 18 (d) 13
  21. 21.What is the median of 24, 26, 7, 28, 12, 2 and 21? (a) 24 (b) 28 (c) 12 (d) 21
  22. 22.What is the mode of 13, 1, 19, 13, 11, 19 and 13? (a) 19 (b) 13 (c) 1 (d) 11
  23. 23.What is the mean of 6, 5, 13, 12, 3 and 21? (a) 9 (b) 10 (c) 11 (d) 12
  24. 24.What is the mean of 6, 5, 17, 11 and 16? (a) 13 (b) 12 (c) 10 (d) 11
  25. 25.What is the mode of 11, 11, 6, 6, 8, 11 and 16? (a) 6 (b) 11 (c) 16 (d) 8
  26. 26.The mean of 8 numbers is 11. When the number 2 is added to them, what is the new mean? (a) 9 (b) 11 (c) 12 (d) 10
  27. 27.What is the median of 12, 18, 34, 23 and 17? (a) 23 (b) 17 (c) 34 (d) 18
  28. 28.What is the median of 30, 2, 9, 3 and 4? (a) 3 (b) 9 (c) 4 (d) 5
  29. 29.What is the median of 3, 7, 1, 36, 6, 27 and 39? (a) 36 (b) 7 (c) 17 (d) 27
  30. 30.The mean of 8 numbers is 25. When the number 43 is added to them, what is the new mean? (a) 28 (b) 25 (c) 27 (d) 34
  31. 31.What is the mode of 5, 12, 2, 12, 10, 5 and 12? (a) 12 (b) 5 (c) 2 (d) 10
  32. 32.What is the mean of 15, 17, 19, 2 and 12? (a) 14 (b) 12 (c) 15 (d) 13
  33. 33.What is the median of 40, 14, 23, 21 and 3? (a) 23 (b) 21 (c) 14 (d) 22
  34. 34.What is the mean of 4, 9, 19, 18, 4 and 12? (a) 11 (b) 12 (c) 10 (d) 13
  35. 35.What is the median of 26, 10, 28, 23, 31, 22 and 18? (a) 24 (b) 23 (c) 22 (d) 26
  36. 36.What is the mode of 17, 2, 17, 17, 7, 2 and 11? (a) 11 (b) 7 (c) 17 (d) 2
  37. 37.What is the mean of 13, 4, 8, 8, 18 and 15? (a) 13 (b) 10 (c) 12 (d) 11
  38. 38.What is the mean of 5, 5, 15 and 19? (a) 10 (b) 13 (c) 12 (d) 11
  39. 39.What is the mode of 1, 10, 17, 17, 1, 9 and 17? (a) 9 (b) 10 (c) 1 (d) 17
  40. 40.What is the mode of 19, 11, 11, 19, 19, 2 and 13? (a) 19 (b) 13 (c) 11 (d) 2

Answer key

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

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