← 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 6 · 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 6, 3, 19, 39, 25, 11 and 26? (a) 25 (b) 39 (c) 19 (d) 11
  2. 2.What is the mode of 13, 2, 13, 15, 18, 2 and 2? (a) 2 (b) 13 (c) 15 (d) 18
  3. 3.What is the mean of 16, 6, 7, 8 and 3? (a) 7 (b) 9 (c) 10 (d) 8
  4. 4.What is the median of 19, 29, 6, 33 and 15? (a) 29 (b) 19 (c) 6 (d) 15
  5. 5.What is the mode of 5, 5, 19, 4, 4, 4 and 11? (a) 5 (b) 19 (c) 4 (d) 11
  6. 6.What is the median of 4, 29, 34, 2 and 19? (a) 34 (b) 29 (c) 19 (d) 4
  7. 7.What is the median of 29, 16, 12, 11, 35, 15 and 18? (a) 16 (b) 15 (c) 11 (d) 18
  8. 8.The mean of 3 numbers is 33. When the number 49 is added to them, what is the new mean? (a) 38 (b) 33 (c) 37 (d) 41
  9. 9.What is the median of 32, 16, 34, 30, 31, 33 and 38? (a) 32 (b) 33 (c) 30 (d) 31
  10. 10.The mean of 3 numbers is 27. When the number 31 is added to them, what is the new mean? (a) 29 (b) 27 (c) 28 (d) 30
  11. 11.The mean of 7 numbers is 29. When the number 5 is added to them, what is the new mean? (a) 27 (b) 29 (c) 17 (d) 26
  12. 12.The mean of 8 numbers is 25. When the number 61 is added to them, what is the new mean? (a) 30 (b) 25 (c) 43 (d) 29
  13. 13.What is the mode of 15, 17, 1, 10, 17, 1 and 1? (a) 17 (b) 10 (c) 15 (d) 1
  14. 14.What is the mean of 11, 5, 11, 4 and 19? (a) 10 (b) 9 (c) 11 (d) 12
  15. 15.What is the mean of 14, 12, 6, 6 and 7? (a) 11 (b) 9 (c) 10 (d) 8
  16. 16.What is the mean of 14, 9, 10, 15, 3 and 15? (a) 13 (b) 11 (c) 10 (d) 12
  17. 17.The mean of 9 numbers is 28. When the number 18 is added to them, what is the new mean? (a) 27 (b) 28 (c) 23 (d) 26
  18. 18.What is the mode of 3, 4, 6, 4, 3, 4 and 2? (a) 2 (b) 6 (c) 4 (d) 3
  19. 19.What is the mean of 12, 18, 4, 6 and 20? (a) 15 (b) 10 (c) 12 (d) 13
  20. 20.What is the median of 10, 9, 29, 26 and 36? (a) 29 (b) 26 (c) 22 (d) 10
  21. 21.What is the mean of 4, 13, 12, 8 and 18? (a) 13 (b) 10 (c) 11 (d) 12
  22. 22.What is the mode of 11, 11, 9, 9, 1, 11 and 7? (a) 7 (b) 9 (c) 11 (d) 1
  23. 23.What is the mode of 1, 13, 1, 5, 4, 13 and 1? (a) 5 (b) 4 (c) 13 (d) 1
  24. 24.The mean of 7 numbers is 38. When the number 22 is added to them, what is the new mean? (a) 30 (b) 37 (c) 38 (d) 36
  25. 25.The mean of 7 numbers is 19. When the number 27 is added to them, what is the new mean? (a) 21 (b) 23 (c) 19 (d) 20
  26. 26.What is the median of 11, 35, 33, 29 and 4? (a) 33 (b) 11 (c) 29 (d) 30
  27. 27.What is the mode of 6, 9, 6, 6, 2, 14 and 14? (a) 2 (b) 9 (c) 14 (d) 6
  28. 28.What is the mean of 5, 18, 16, 9, 4 and 20? (a) 13 (b) 12 (c) 11 (d) 14
  29. 29.What is the mean of 20, 5, 11 and 12? (a) 11 (b) 16 (c) 12 (d) 13
  30. 30.What is the median of 13, 15, 25, 33, 1, 17 and 24? (a) 33 (b) 17 (c) 15 (d) 24
  31. 31.What is the median of 12, 11, 15, 35 and 14? (a) 14 (b) 12 (c) 15 (d) 13
  32. 32.What is the mode of 4, 4, 4, 6, 7, 19 and 7? (a) 7 (b) 6 (c) 19 (d) 4
  33. 33.What is the mean of 2, 7, 17 and 10? (a) 12 (b) 9 (c) 8 (d) 10
  34. 34.What is the mode of 14, 9, 5, 14, 13, 13 and 14? (a) 14 (b) 13 (c) 9 (d) 5
  35. 35.The mean of 6 numbers is 34. When the number 41 is added to them, what is the new mean? (a) 34 (b) 35 (c) 37 (d) 36
  36. 36.What is the median of 2, 16, 23, 7 and 21? (a) 23 (b) 7 (c) 16 (d) 21
  37. 37.What is the median of 4, 7, 16, 1, 12, 6 and 9? (a) 7 (b) 9 (c) 6 (d) 1
  38. 38.The mean of 6 numbers is 35. When the number 63 is added to them, what is the new mean? (a) 49 (b) 35 (c) 39 (d) 40
  39. 39.What is the mode of 9, 14, 20, 19, 9, 9 and 19? (a) 14 (b) 9 (c) 19 (d) 20
  40. 40.What is the mode of 20, 17, 16, 11, 20, 17 and 20? (a) 11 (b) 16 (c) 20 (d) 17

Answer key

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

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