← 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 130 · 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, 7, 2, 15, 2, 4 and 2? (a) 2 (b) 15 (c) 7 (d) 4
  2. 2.What is the mean of 6, 14, 6 and 22? (a) 12 (b) 11 (c) 13 (d) 16
  3. 3.What is the mean of 2, 5, 18, 20 and 5? (a) 12 (b) 11 (c) 9 (d) 10
  4. 4.What is the mean of 2, 4, 11, 3 and 5? (a) 6 (b) 7 (c) 5 (d) 4
  5. 5.What is the mean of 4, 12, 8, 5, 2 and 5? (a) 8 (b) 7 (c) 6 (d) 5
  6. 6.What is the median of 12, 37, 23, 8, 36, 24 and 30? (a) 8 (b) 30 (c) 24 (d) 23
  7. 7.The mean of 9 numbers is 29. When the number 49 is added to them, what is the new mean? (a) 31 (b) 32 (c) 29 (d) 39
  8. 8.What is the median of 39, 2, 9, 25, 6, 35 and 5? (a) 25 (b) 6 (c) 9 (d) 10
  9. 9.What is the mean of 7, 11, 12 and 22? (a) 14 (b) 15 (c) 12 (d) 13
  10. 10.What is the mean of 3, 7, 17, 13, 4 and 10? (a) 11 (b) 10 (c) 9 (d) 8
  11. 11.What is the mode of 3, 15, 13, 13, 15, 15 and 12? (a) 15 (b) 12 (c) 13 (d) 3
  12. 12.The mean of 3 numbers is 12. When the number 8 is added to them, what is the new mean? (a) 13 (b) 10 (c) 12 (d) 11
  13. 13.What is the median of 13, 16, 17, 8 and 37? (a) 17 (b) 16 (c) 13 (d) 15
  14. 14.The mean of 4 numbers is 30. When the number 15 is added to them, what is the new mean? (a) 28 (b) 26 (c) 30 (d) 27
  15. 15.What is the mean of 17, 2, 19, 18, 5 and 17? (a) 12 (b) 15 (c) 14 (d) 13
  16. 16.The mean of 7 numbers is 38. When the number 30 is added to them, what is the new mean? (a) 36 (b) 38 (c) 37 (d) 34
  17. 17.What is the mode of 11, 3, 3, 6, 10, 11 and 3? (a) 11 (b) 6 (c) 3 (d) 10
  18. 18.What is the mean of 20, 2, 8, 3, 16 and 11? (a) 12 (b) 11 (c) 10 (d) 9
  19. 19.What is the mode of 6, 19, 19, 19, 15, 14 and 15? (a) 14 (b) 15 (c) 19 (d) 6
  20. 20.What is the median of 19, 11, 22, 13, 5, 2 and 34? (a) 14 (b) 11 (c) 13 (d) 19
  21. 21.What is the median of 7, 34, 26, 14, 36, 3 and 28? (a) 14 (b) 27 (c) 28 (d) 26
  22. 22.What is the mode of 15, 12, 7, 12, 7, 2 and 12? (a) 7 (b) 12 (c) 15 (d) 2
  23. 23.What is the mean of 19, 7, 17, 2 and 5? (a) 9 (b) 12 (c) 11 (d) 10
  24. 24.The mean of 4 numbers is 28. When the number 18 is added to them, what is the new mean? (a) 26 (b) 27 (c) 23 (d) 28
  25. 25.The mean of 5 numbers is 33. When the number 39 is added to them, what is the new mean? (a) 33 (b) 34 (c) 35 (d) 36
  26. 26.The mean of 5 numbers is 25. When the number 1 is added to them, what is the new mean? (a) 21 (b) 13 (c) 25 (d) 22
  27. 27.The mean of 3 numbers is 24. When the number 16 is added to them, what is the new mean? (a) 20 (b) 24 (c) 22 (d) 23
  28. 28.What is the mean of 2, 11, 18 and 17? (a) 16 (b) 11 (c) 13 (d) 12
  29. 29.What is the mean of 18, 13, 9, 20, 19 and 5? (a) 14 (b) 13 (c) 12 (d) 15
  30. 30.What is the mean of 18, 4, 7, 5, 6 and 14? (a) 11 (b) 10 (c) 9 (d) 8
  31. 31.What is the median of 29, 1, 35, 23, 26, 37 and 22? (a) 27 (b) 23 (c) 29 (d) 26
  32. 32.What is the mean of 17, 8, 12 and 7? (a) 12 (b) 10 (c) 13 (d) 11
  33. 33.What is the mode of 9, 11, 20, 11, 9, 5 and 11? (a) 20 (b) 5 (c) 9 (d) 11
  34. 34.What is the mode of 3, 16, 18, 11, 11, 18 and 11? (a) 18 (b) 3 (c) 11 (d) 16
  35. 35.The mean of 5 numbers is 36. When the number 30 is added to them, what is the new mean? (a) 34 (b) 35 (c) 33 (d) 36
  36. 36.The mean of 9 numbers is 32. When the number 72 is added to them, what is the new mean? (a) 37 (b) 36 (c) 32 (d) 52
  37. 37.What is the median of 38, 23, 34, 27 and 3? (a) 27 (b) 25 (c) 34 (d) 23
  38. 38.The mean of 4 numbers is 15. When the number 35 is added to them, what is the new mean? (a) 15 (b) 25 (c) 19 (d) 20
  39. 39.What is the mode of 20, 9, 9, 1, 9, 20 and 16? (a) 1 (b) 16 (c) 9 (d) 20
  40. 40.The mean of 4 numbers is 21. When the number 26 is added to them, what is the new mean? (a) 23 (b) 21 (c) 24 (d) 22

Answer key

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

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