← 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 336 · 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 5, 8, 8, 14, 9 and 4? (a) 7 (b) 10 (c) 9 (d) 8
  2. 2.What is the median of 5, 9, 15, 28 and 13? (a) 14 (b) 9 (c) 13 (d) 15
  3. 3.The mean of 5 numbers is 11. When the number 17 is added to them, what is the new mean? (a) 13 (b) 14 (c) 12 (d) 11
  4. 4.What is the mean of 7, 11, 17 and 21? (a) 14 (b) 15 (c) 13 (d) 16
  5. 5.What is the mean of 2, 6, 20, 20 and 22? (a) 15 (b) 14 (c) 13 (d) 16
  6. 6.What is the mode of 3, 15, 15, 15, 18, 4 and 18? (a) 4 (b) 15 (c) 3 (d) 18
  7. 7.What is the median of 3, 9, 36, 13 and 39? (a) 36 (b) 13 (c) 9 (d) 20
  8. 8.The mean of 6 numbers is 22. When the number 8 is added to them, what is the new mean? (a) 22 (b) 15 (c) 21 (d) 20
  9. 9.What is the mean of 14, 17, 14, 3, 3 and 9? (a) 11 (b) 9 (c) 12 (d) 10
  10. 10.What is the median of 2, 15, 28, 14 and 8? (a) 8 (b) 14 (c) 15 (d) 28
  11. 11.What is the mean of 14, 7, 20, 10, 8 and 19? (a) 13 (b) 15 (c) 14 (d) 12
  12. 12.The mean of 7 numbers is 30. When the number 46 is added to them, what is the new mean? (a) 38 (b) 33 (c) 32 (d) 30
  13. 13.What is the mean of 9, 6, 20 and 9? (a) 13 (b) 11 (c) 12 (d) 10
  14. 14.What is the mean of 15, 6, 5 and 18? (a) 12 (b) 11 (c) 10 (d) 13
  15. 15.What is the median of 23, 21, 19, 16, 33, 29 and 32? (a) 23 (b) 29 (c) 21 (d) 16
  16. 16.What is the median of 7, 10, 33, 34 and 4? (a) 11 (b) 10 (c) 33 (d) 7
  17. 17.The mean of 4 numbers is 28. When the number 48 is added to them, what is the new mean? (a) 28 (b) 32 (c) 33 (d) 38
  18. 18.What is the mean of 10, 11, 20 and 19? (a) 16 (b) 12 (c) 15 (d) 20
  19. 19.The mean of 3 numbers is 10. When the number 14 is added to them, what is the new mean? (a) 13 (b) 11 (c) 12 (d) 10
  20. 20.The mean of 9 numbers is 13. When the number 3 is added to them, what is the new mean? (a) 11 (b) 12 (c) 8 (d) 13
  21. 21.What is the mean of 6, 3, 14, 18, 2 and 23? (a) 12 (b) 13 (c) 11 (d) 10
  22. 22.What is the mean of 13, 20, 6, 7 and 14? (a) 12 (b) 15 (c) 10 (d) 13
  23. 23.The mean of 4 numbers is 40. When the number 35 is added to them, what is the new mean? (a) 40 (b) 38 (c) 39 (d) 41
  24. 24.What is the mean of 9, 14, 4 and 13? (a) 8 (b) 11 (c) 10 (d) 9
  25. 25.The mean of 7 numbers is 32. When the number 16 is added to them, what is the new mean? (a) 24 (b) 32 (c) 31 (d) 30
  26. 26.What is the median of 29, 10, 32, 40 and 25? (a) 32 (b) 30 (c) 29 (d) 25
  27. 27.What is the mean of 6, 10, 3 and 21? (a) 9 (b) 10 (c) 8 (d) 11
  28. 28.What is the median of 28, 13, 3, 14, 26, 35 and 1? (a) 26 (b) 15 (c) 14 (d) 13
  29. 29.What is the median of 25, 6, 26, 17, 15, 18 and 1? (a) 18 (b) 17 (c) 15 (d) 16
  30. 30.The mean of 6 numbers is 23. When the number 2 is added to them, what is the new mean? (a) 23 (b) 19 (c) 20 (d) 21
  31. 31.What is the median of 17, 27, 38, 36, 10, 1 and 33? (a) 33 (b) 17 (c) 27 (d) 36
  32. 32.What is the median of 32, 28, 36, 1, 13, 24 and 15? (a) 28 (b) 24 (c) 1 (d) 15
  33. 33.What is the mean of 8, 12, 18 and 18? (a) 14 (b) 15 (c) 13 (d) 16
  34. 34.What is the mean of 15, 17, 14, 9, 7 and 16? (a) 13 (b) 15 (c) 14 (d) 12
  35. 35.What is the mean of 14, 14, 6 and 14? (a) 12 (b) 13 (c) 11 (d) 16
  36. 36.What is the median of 31, 9, 19, 15, 35, 30 and 10? (a) 20 (b) 19 (c) 30 (d) 15
  37. 37.What is the median of 37, 6, 33, 16 and 20? (a) 20 (b) 16 (c) 21 (d) 33
  38. 38.What is the mode of 14, 1, 9, 9, 2, 1 and 9? (a) 1 (b) 2 (c) 14 (d) 9
  39. 39.What is the mean of 5, 13, 6 and 8? (a) 9 (b) 8 (c) 7 (d) 10
  40. 40.What is the mean of 19, 15, 14 and 4? (a) 13 (b) 14 (c) 15 (d) 12

Answer key

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

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