← 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 399 · 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 20, 19, 9, 5, 11 and 20? (a) 14 (b) 13 (c) 15 (d) 12
  2. 2.What is the median of 5, 19, 6, 32 and 33? (a) 32 (b) 19 (c) 6 (d) 20
  3. 3.The mean of 4 numbers is 21. When the number 16 is added to them, what is the new mean? (a) 21 (b) 20 (c) 22 (d) 19
  4. 4.What is the mean of 3, 13, 17, 19 and 8? (a) 15 (b) 12 (c) 10 (d) 13
  5. 5.The mean of 9 numbers is 27. When the number 17 is added to them, what is the new mean? (a) 27 (b) 22 (c) 25 (d) 26
  6. 6.What is the mean of 5, 16, 2, 7 and 20? (a) 12 (b) 10 (c) 9 (d) 11
  7. 7.What is the mean of 15, 17, 7 and 21? (a) 12 (b) 20 (c) 15 (d) 16
  8. 8.What is the median of 15, 8, 4, 21 and 23? (a) 15 (b) 4 (c) 21 (d) 8
  9. 9.The mean of 6 numbers is 12. When the number 5 is added to them, what is the new mean? (a) 11 (b) 13 (c) 10 (d) 12
  10. 10.What is the mode of 10, 16, 3, 3, 3, 10 and 1? (a) 16 (b) 3 (c) 10 (d) 1
  11. 11.What is the mean of 4, 7, 16 and 9? (a) 12 (b) 10 (c) 8 (d) 9
  12. 12.What is the mean of 17, 2, 4 and 5? (a) 7 (b) 9 (c) 6 (d) 8
  13. 13.What is the mean of 13, 12, 17, 17 and 11? (a) 14 (b) 15 (c) 16 (d) 13
  14. 14.What is the mean of 13, 3, 6 and 14? (a) 8 (b) 12 (c) 9 (d) 10
  15. 15.What is the mode of 2, 6, 3, 6, 1, 3 and 6? (a) 1 (b) 2 (c) 3 (d) 6
  16. 16.What is the mean of 5, 4, 15, 6, 17 and 13? (a) 10 (b) 12 (c) 9 (d) 11
  17. 17.What is the mean of 11, 12, 14 and 11? (a) 13 (b) 11 (c) 12 (d) 16
  18. 18.What is the mode of 6, 1, 12, 6, 1, 14 and 6? (a) 12 (b) 14 (c) 1 (d) 6
  19. 19.The mean of 5 numbers is 33. When the number 21 is added to them, what is the new mean? (a) 27 (b) 33 (c) 32 (d) 31
  20. 20.The mean of 7 numbers is 35. When the number 59 is added to them, what is the new mean? (a) 38 (b) 35 (c) 39 (d) 47
  21. 21.What is the mean of 10, 9, 4, 14, 16 and 7? (a) 12 (b) 10 (c) 11 (d) 9
  22. 22.What is the mode of 13, 13, 13, 10, 10, 3 and 18? (a) 3 (b) 18 (c) 13 (d) 10
  23. 23.What is the median of 40, 29, 20, 37 and 12? (a) 20 (b) 37 (c) 29 (d) 30
  24. 24.What is the median of 25, 1, 9, 14 and 23? (a) 15 (b) 9 (c) 23 (d) 14
  25. 25.What is the mode of 14, 6, 6, 4, 1, 6 and 4? (a) 14 (b) 1 (c) 4 (d) 6
  26. 26.What is the mean of 7, 14, 9, 4 and 11? (a) 8 (b) 9 (c) 10 (d) 11
  27. 27.The mean of 5 numbers is 31. When the number 7 is added to them, what is the new mean? (a) 28 (b) 27 (c) 31 (d) 19
  28. 28.What is the median of 3, 4, 10, 30 and 20? (a) 11 (b) 4 (c) 20 (d) 10
  29. 29.What is the median of 20, 9, 23, 25, 33, 10 and 13? (a) 20 (b) 25 (c) 19 (d) 23
  30. 30.What is the mode of 18, 18, 18, 15, 3, 19 and 19? (a) 15 (b) 18 (c) 3 (d) 19
  31. 31.What is the median of 40, 28, 14, 27 and 4? (a) 14 (b) 27 (c) 28 (d) 26
  32. 32.The mean of 8 numbers is 20. When the number 11 is added to them, what is the new mean? (a) 21 (b) 19 (c) 20 (d) 18
  33. 33.What is the mode of 8, 16, 10, 20, 20, 20 and 8? (a) 10 (b) 20 (c) 8 (d) 16
  34. 34.What is the mean of 20, 18, 12, 4 and 11? (a) 14 (b) 15 (c) 12 (d) 13
  35. 35.What is the median of 26, 11, 14, 13, 18, 3 and 6? (a) 11 (b) 14 (c) 13 (d) 12
  36. 36.What is the mean of 11, 13, 9, 7, 10 and 4? (a) 10 (b) 9 (c) 11 (d) 8
  37. 37.What is the median of 39, 40, 12, 3 and 30? (a) 31 (b) 30 (c) 39 (d) 12
  38. 38.What is the median of 24, 21, 26, 12 and 30? (a) 25 (b) 24 (c) 26 (d) 21
  39. 39.The mean of 4 numbers is 11. When the number 26 is added to them, what is the new mean? (a) 14 (b) 11 (c) 13 (d) 15
  40. 40.What is the mean of 4, 14, 7 and 15? (a) 10 (b) 8 (c) 11 (d) 9

Answer key

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

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