← 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 786 · 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 median of 36, 40, 4, 7 and 30? (a) 30 (b) 36 (c) 7 (d) 4
  2. 2.What is the mean of 2, 11, 3, 3 and 16? (a) 8 (b) 9 (c) 6 (d) 7
  3. 3.What is the median of 8, 33, 26, 27 and 40? (a) 26 (b) 28 (c) 27 (d) 33
  4. 4.What is the median of 8, 36, 11, 37 and 3? (a) 36 (b) 8 (c) 11 (d) 19
  5. 5.The mean of 7 numbers is 25. When the number 9 is added to them, what is the new mean? (a) 25 (b) 17 (c) 24 (d) 23
  6. 6.What is the mean of 5, 2, 18, 2 and 8? (a) 9 (b) 7 (c) 8 (d) 6
  7. 7.The mean of 8 numbers is 35. When the number 44 is added to them, what is the new mean? (a) 37 (b) 36 (c) 38 (d) 35
  8. 8.What is the median of 20, 31, 11, 15 and 8? (a) 15 (b) 11 (c) 17 (d) 20
  9. 9.What is the mean of 8, 2, 14, 11, 8 and 17? (a) 10 (b) 12 (c) 11 (d) 9
  10. 10.What is the mean of 13, 4, 11, 14, 4 and 20? (a) 12 (b) 10 (c) 11 (d) 13
  11. 11.What is the median of 5, 9, 38, 25, 26, 12 and 37? (a) 12 (b) 24 (c) 26 (d) 25
  12. 12.What is the mean of 9, 19, 20, 2, 3 and 13? (a) 12 (b) 13 (c) 11 (d) 10
  13. 13.What is the mean of 2, 6, 19 and 21? (a) 13 (b) 16 (c) 11 (d) 12
  14. 14.What is the mean of 9, 10, 5 and 12? (a) 8 (b) 9 (c) 12 (d) 10
  15. 15.What is the median of 4, 11, 37, 2 and 27? (a) 27 (b) 37 (c) 4 (d) 11
  16. 16.What is the mode of 9, 12, 9, 11, 1, 12 and 9? (a) 11 (b) 9 (c) 12 (d) 1
  17. 17.What is the mode of 13, 20, 4, 20, 20, 13 and 5? (a) 4 (b) 20 (c) 13 (d) 5
  18. 18.The mean of 7 numbers is 31. When the number 63 is added to them, what is the new mean? (a) 31 (b) 36 (c) 35 (d) 47
  19. 19.What is the mean of 19, 4, 6, 18, 8 and 17? (a) 14 (b) 12 (c) 13 (d) 11
  20. 20.What is the mean of 19, 9, 4 and 12? (a) 12 (b) 10 (c) 13 (d) 11
  21. 21.The mean of 8 numbers is 14. When the number 5 is added to them, what is the new mean? (a) 15 (b) 14 (c) 13 (d) 12
  22. 22.What is the mode of 10, 2, 3, 20, 2, 10 and 10? (a) 3 (b) 20 (c) 2 (d) 10
  23. 23.What is the mean of 20, 9, 4 and 19? (a) 12 (b) 13 (c) 15 (d) 14
  24. 24.What is the mean of 5, 18, 10, 17, 6 and 22? (a) 13 (b) 12 (c) 14 (d) 15
  25. 25.The mean of 6 numbers is 40. When the number 61 is added to them, what is the new mean? (a) 42 (b) 44 (c) 43 (d) 40
  26. 26.The mean of 9 numbers is 26. When the number 16 is added to them, what is the new mean? (a) 24 (b) 25 (c) 26 (d) 21
  27. 27.What is the mode of 7, 7, 13, 3, 15, 15 and 7? (a) 3 (b) 13 (c) 15 (d) 7
  28. 28.What is the mean of 6, 5, 8, 4, 4 and 21? (a) 9 (b) 7 (c) 10 (d) 8
  29. 29.What is the mean of 20, 20, 20, 8 and 17? (a) 17 (b) 18 (c) 16 (d) 19
  30. 30.What is the mode of 7, 5, 4, 7, 5, 18 and 7? (a) 7 (b) 4 (c) 5 (d) 18
  31. 31.The mean of 6 numbers is 34. When the number 6 is added to them, what is the new mean? (a) 20 (b) 34 (c) 31 (d) 30
  32. 32.What is the median of 12, 16, 5, 25, 19, 28 and 2? (a) 12 (b) 19 (c) 16 (d) 25
  33. 33.The mean of 9 numbers is 12. When the number 22 is added to them, what is the new mean? (a) 17 (b) 14 (c) 13 (d) 12
  34. 34.What is the median of 30, 2, 17, 11, 6, 40 and 10? (a) 17 (b) 10 (c) 12 (d) 11
  35. 35.What is the mode of 4, 8, 9, 11, 8, 11 and 8? (a) 9 (b) 4 (c) 11 (d) 8
  36. 36.The mean of 7 numbers is 26. When the number 50 is added to them, what is the new mean? (a) 29 (b) 38 (c) 30 (d) 26
  37. 37.What is the median of 24, 22, 1, 11, 26, 27 and 30? (a) 22 (b) 11 (c) 26 (d) 24
  38. 38.The mean of 3 numbers is 20. When the number 28 is added to them, what is the new mean? (a) 24 (b) 20 (c) 23 (d) 22
  39. 39.What is the median of 21, 9, 4, 20, 24, 29 and 39? (a) 20 (b) 22 (c) 24 (d) 21
  40. 40.What is the mode of 9, 8, 12, 8, 12, 4 and 12? (a) 8 (b) 9 (c) 4 (d) 12

Answer key

  1. 30
  2. 7
  3. 27
  4. 11
  5. 23
  6. 7
  7. 36
  8. 15
  9. 10
  10. 11
  11. 25
  12. 11
  13. 12
  14. 9
  15. 11
  16. 9
  17. 20
  18. 35
  19. 12
  20. 11
  21. 13
  22. 10
  23. 13
  24. 13
  25. 43
  26. 25
  27. 7
  28. 8
  29. 17
  30. 7
  31. 30
  32. 16
  33. 13
  34. 11
  35. 8
  36. 29
  37. 24
  38. 22
  39. 21
  40. 12

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