← 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 749 · 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 3, 17, 1, 11, 3, 17 and 3? (a) 17 (b) 1 (c) 11 (d) 3
  2. 2.What is the median of 31, 26, 9, 25, 36, 37 and 2? (a) 26 (b) 25 (c) 27 (d) 31
  3. 3.What is the mean of 10, 3, 18, 15 and 9? (a) 11 (b) 13 (c) 10 (d) 12
  4. 4.The mean of 7 numbers is 38. When the number 30 is added to them, what is the new mean? (a) 34 (b) 37 (c) 36 (d) 38
  5. 5.The mean of 7 numbers is 12. When the number 20 is added to them, what is the new mean? (a) 16 (b) 13 (c) 14 (d) 12
  6. 6.The mean of 3 numbers is 36. When the number 44 is added to them, what is the new mean? (a) 39 (b) 38 (c) 36 (d) 40
  7. 7.The mean of 3 numbers is 26. When the number 10 is added to them, what is the new mean? (a) 22 (b) 18 (c) 23 (d) 26
  8. 8.What is the median of 29, 14, 30, 36, 7, 38 and 6? (a) 36 (b) 29 (c) 14 (d) 30
  9. 9.What is the mode of 16, 8, 16, 9, 10, 8 and 8? (a) 8 (b) 10 (c) 16 (d) 9
  10. 10.What is the mode of 15, 3, 7, 9, 15, 15 and 7? (a) 9 (b) 3 (c) 15 (d) 7
  11. 11.What is the median of 12, 17, 36, 9 and 30? (a) 30 (b) 36 (c) 17 (d) 12
  12. 12.What is the mode of 10, 10, 5, 5, 5, 6 and 14? (a) 5 (b) 14 (c) 10 (d) 6
  13. 13.The mean of 4 numbers is 26. When the number 11 is added to them, what is the new mean? (a) 24 (b) 22 (c) 23 (d) 26
  14. 14.The mean of 4 numbers is 24. When the number 29 is added to them, what is the new mean? (a) 25 (b) 24 (c) 26 (d) 27
  15. 15.What is the mode of 13, 6, 3, 6, 11, 6 and 11? (a) 13 (b) 6 (c) 11 (d) 3
  16. 16.What is the mean of 2, 16, 3 and 3? (a) 7 (b) 8 (c) 5 (d) 6
  17. 17.What is the mean of 20, 16, 11 and 9? (a) 13 (b) 14 (c) 16 (d) 15
  18. 18.What is the mean of 19, 10, 20, 15 and 16? (a) 16 (b) 15 (c) 17 (d) 20
  19. 19.What is the mode of 4, 1, 1, 19, 19, 1 and 17? (a) 19 (b) 17 (c) 4 (d) 1
  20. 20.What is the mean of 6, 15, 16 and 11? (a) 16 (b) 11 (c) 13 (d) 12
  21. 21.What is the mode of 1, 1, 5, 16, 5, 12 and 1? (a) 12 (b) 16 (c) 5 (d) 1
  22. 22.What is the mean of 5, 2, 5 and 12? (a) 5 (b) 7 (c) 8 (d) 6
  23. 23.What is the mean of 20, 11, 13, 6 and 15? (a) 14 (b) 12 (c) 13 (d) 15
  24. 24.What is the mode of 6, 14, 17, 7, 17, 17 and 6? (a) 7 (b) 6 (c) 14 (d) 17
  25. 25.What is the mean of 10, 9, 12 and 9? (a) 8 (b) 9 (c) 11 (d) 10
  26. 26.The mean of 5 numbers is 28. When the number 16 is added to them, what is the new mean? (a) 22 (b) 26 (c) 27 (d) 28
  27. 27.What is the median of 26, 25, 40, 8, 21, 12 and 36? (a) 24 (b) 8 (c) 26 (d) 25
  28. 28.What is the mode of 19, 12, 14, 7, 14, 12 and 12? (a) 12 (b) 14 (c) 19 (d) 7
  29. 29.What is the median of 21, 25, 36, 27, 34, 1 and 20? (a) 26 (b) 25 (c) 21 (d) 27
  30. 30.What is the median of 22, 19, 11, 21, 7, 5 and 8? (a) 19 (b) 21 (c) 11 (d) 8
  31. 31.What is the median of 34, 28, 3, 15 and 8? (a) 3 (b) 28 (c) 8 (d) 15
  32. 32.The mean of 3 numbers is 37. When the number 29 is added to them, what is the new mean? (a) 36 (b) 33 (c) 37 (d) 35
  33. 33.What is the mean of 13, 6, 14, 3 and 14? (a) 9 (b) 12 (c) 10 (d) 11
  34. 34.What is the mean of 5, 16, 8 and 15? (a) 13 (b) 11 (c) 10 (d) 12
  35. 35.What is the mean of 8, 4, 12, 2, 4 and 18? (a) 7 (b) 10 (c) 8 (d) 9
  36. 36.The mean of 5 numbers is 31. When the number 7 is added to them, what is the new mean? (a) 27 (b) 28 (c) 19 (d) 31
  37. 37.What is the mean of 4, 16, 10, 3 and 17? (a) 12 (b) 10 (c) 9 (d) 11
  38. 38.What is the median of 7, 35, 36, 13 and 39? (a) 36 (b) 13 (c) 26 (d) 35
  39. 39.What is the mean of 18, 8, 7, 18 and 9? (a) 12 (b) 13 (c) 15 (d) 10
  40. 40.What is the mean of 19, 17, 9 and 15? (a) 20 (b) 12 (c) 16 (d) 15

Answer key

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

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