← 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 631 · 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 19, 19, 5, 19, 3, 17 and 3? (a) 19 (b) 17 (c) 3 (d) 5
  2. 2.What is the mode of 5, 1, 10, 8, 5, 5 and 1? (a) 5 (b) 10 (c) 8 (d) 1
  3. 3.What is the mode of 18, 11, 11, 5, 4, 11 and 18? (a) 5 (b) 11 (c) 18 (d) 4
  4. 4.What is the median of 20, 8, 19, 24, 5, 27 and 1? (a) 20 (b) 8 (c) 19 (d) 24
  5. 5.What is the mode of 2, 2, 11, 18, 16, 11 and 11? (a) 2 (b) 18 (c) 11 (d) 16
  6. 6.What is the mode of 3, 3, 3, 1, 1, 13 and 6? (a) 3 (b) 13 (c) 1 (d) 6
  7. 7.What is the median of 7, 8, 1, 30, 32, 10 and 18? (a) 10 (b) 8 (c) 30 (d) 18
  8. 8.What is the mode of 18, 14, 14, 18, 10, 14 and 7? (a) 14 (b) 18 (c) 7 (d) 10
  9. 9.The mean of 3 numbers is 38. When the number 34 is added to them, what is the new mean? (a) 36 (b) 38 (c) 37 (d) 39
  10. 10.What is the median of 13, 33, 7, 8 and 28? (a) 28 (b) 7 (c) 13 (d) 8
  11. 11.What is the mean of 9, 16, 19 and 16? (a) 16 (b) 12 (c) 15 (d) 20
  12. 12.What is the mean of 14, 4, 19, 9, 6 and 14? (a) 11 (b) 12 (c) 10 (d) 13
  13. 13.What is the mean of 9, 8, 2, 4, 14 and 11? (a) 8 (b) 7 (c) 9 (d) 10
  14. 14.The mean of 6 numbers is 31. When the number 17 is added to them, what is the new mean? (a) 24 (b) 29 (c) 31 (d) 30
  15. 15.What is the mode of 5, 1, 20, 18, 18, 5 and 18? (a) 1 (b) 18 (c) 20 (d) 5
  16. 16.What is the median of 2, 27, 32, 22, 1, 6 and 20? (a) 20 (b) 6 (c) 22 (d) 21
  17. 17.What is the mean of 3, 3, 6, 8, 11 and 11? (a) 8 (b) 9 (c) 7 (d) 6
  18. 18.What is the median of 29, 20, 22, 34, 24, 32 and 30? (a) 34 (b) 24 (c) 29 (d) 30
  19. 19.What is the median of 37, 33, 23, 34 and 36? (a) 36 (b) 34 (c) 23 (d) 33
  20. 20.The mean of 7 numbers is 14. When the number 6 is added to them, what is the new mean? (a) 13 (b) 14 (c) 10 (d) 12
  21. 21.What is the mean of 20, 7, 17, 15, 11 and 8? (a) 13 (b) 15 (c) 14 (d) 12
  22. 22.What is the mode of 15, 8, 11, 11, 6, 11 and 6? (a) 8 (b) 6 (c) 15 (d) 11
  23. 23.What is the mean of 4, 20, 16 and 20? (a) 12 (b) 20 (c) 15 (d) 16
  24. 24.What is the mean of 16, 13, 4 and 7? (a) 8 (b) 11 (c) 10 (d) 9
  25. 25.What is the mode of 9, 18, 5, 18, 5, 5 and 12? (a) 5 (b) 12 (c) 9 (d) 18
  26. 26.What is the mode of 5, 14, 16, 16, 16, 19 and 5? (a) 16 (b) 14 (c) 19 (d) 5
  27. 27.The mean of 8 numbers is 10. When the number 28 is added to them, what is the new mean? (a) 19 (b) 12 (c) 13 (d) 10
  28. 28.The mean of 6 numbers is 33. When the number 5 is added to them, what is the new mean? (a) 30 (b) 19 (c) 33 (d) 29
  29. 29.The mean of 9 numbers is 29. When the number 19 is added to them, what is the new mean? (a) 29 (b) 24 (c) 28 (d) 27
  30. 30.What is the median of 1, 17, 22, 11 and 26? (a) 18 (b) 17 (c) 11 (d) 22
  31. 31.What is the median of 7, 6, 22, 39 and 36? (a) 23 (b) 7 (c) 22 (d) 36
  32. 32.What is the median of 24, 15, 38, 5, 23, 18 and 10? (a) 5 (b) 18 (c) 23 (d) 19
  33. 33.What is the median of 21, 4, 16, 38, 5, 1 and 7? (a) 7 (b) 16 (c) 5 (d) 38
  34. 34.What is the mean of 19, 10, 3, 3 and 20? (a) 11 (b) 10 (c) 12 (d) 13
  35. 35.What is the mean of 20, 4, 20, 8 and 8? (a) 12 (b) 13 (c) 10 (d) 15
  36. 36.What is the mean of 2, 9, 3 and 18? (a) 9 (b) 7 (c) 8 (d) 10
  37. 37.What is the median of 27, 36, 20, 4, 5, 12 and 31? (a) 12 (b) 4 (c) 20 (d) 27
  38. 38.What is the median of 31, 1, 14, 24, 18, 29 and 26? (a) 25 (b) 26 (c) 24 (d) 18
  39. 39.The mean of 3 numbers is 35. When the number 27 is added to them, what is the new mean? (a) 34 (b) 31 (c) 33 (d) 35
  40. 40.What is the mean of 18, 20, 12, 20, 5 and 9? (a) 12 (b) 15 (c) 13 (d) 14

Answer key

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

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