← 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 666 · 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 3, 31, 38, 34, 16, 27 and 12? (a) 23 (b) 31 (c) 27 (d) 34
  2. 2.What is the mean of 13, 14, 3, 2 and 23? (a) 12 (b) 13 (c) 10 (d) 11
  3. 3.What is the median of 30, 2, 12, 5, 14, 28 and 1? (a) 14 (b) 5 (c) 13 (d) 12
  4. 4.What is the mode of 1, 16, 10, 7, 10, 7 and 7? (a) 7 (b) 10 (c) 1 (d) 16
  5. 5.What is the mean of 11, 4, 7, 9 and 14? (a) 9 (b) 10 (c) 11 (d) 8
  6. 6.What is the mode of 1, 18, 4, 18, 1, 7 and 18? (a) 4 (b) 18 (c) 7 (d) 1
  7. 7.What is the mode of 15, 4, 15, 4, 19, 3 and 4? (a) 3 (b) 19 (c) 15 (d) 4
  8. 8.What is the mean of 6, 8, 14 and 12? (a) 10 (b) 9 (c) 11 (d) 8
  9. 9.What is the mean of 12, 7, 14, 20, 6 and 7? (a) 10 (b) 13 (c) 11 (d) 12
  10. 10.What is the mean of 10, 15, 9 and 18? (a) 15 (b) 12 (c) 13 (d) 14
  11. 11.What is the mode of 2, 15, 6, 6, 6, 12 and 12? (a) 12 (b) 15 (c) 6 (d) 2
  12. 12.The mean of 3 numbers is 16. When the number 28 is added to them, what is the new mean? (a) 22 (b) 16 (c) 20 (d) 19
  13. 13.What is the mean of 12, 5, 19, 9, 4 and 23? (a) 14 (b) 11 (c) 13 (d) 12
  14. 14.What is the median of 37, 20, 11, 38, 31, 33 and 14? (a) 31 (b) 38 (c) 20 (d) 33
  15. 15.What is the median of 1, 9, 20, 37 and 24? (a) 9 (b) 20 (c) 24 (d) 21
  16. 16.The mean of 4 numbers is 23. When the number 28 is added to them, what is the new mean? (a) 23 (b) 25 (c) 24 (d) 26
  17. 17.The mean of 3 numbers is 15. When the number 23 is added to them, what is the new mean? (a) 15 (b) 19 (c) 17 (d) 18
  18. 18.What is the mode of 17, 17, 3, 3, 17, 20 and 10? (a) 3 (b) 20 (c) 10 (d) 17
  19. 19.What is the mean of 11, 16, 18, 12, 6 and 9? (a) 14 (b) 12 (c) 11 (d) 13
  20. 20.What is the median of 22, 13, 12, 18 and 1? (a) 14 (b) 18 (c) 12 (d) 13
  21. 21.What is the mode of 6, 6, 14, 6, 5, 5 and 1? (a) 14 (b) 1 (c) 5 (d) 6
  22. 22.What is the mean of 18, 20, 5 and 21? (a) 18 (b) 15 (c) 17 (d) 16
  23. 23.The mean of 9 numbers is 30. When the number 50 is added to them, what is the new mean? (a) 33 (b) 40 (c) 32 (d) 30
  24. 24.What is the mean of 5, 2, 12, 19 and 17? (a) 13 (b) 12 (c) 11 (d) 10
  25. 25.What is the median of 6, 5, 15, 30 and 21? (a) 6 (b) 21 (c) 15 (d) 16
  26. 26.What is the mean of 17, 8, 17 and 18? (a) 16 (b) 12 (c) 15 (d) 20
  27. 27.What is the median of 40, 23, 5, 14, 25, 3 and 39? (a) 23 (b) 24 (c) 25 (d) 14
  28. 28.What is the median of 2, 39, 15, 4, 18, 40 and 3? (a) 16 (b) 4 (c) 18 (d) 15
  29. 29.What is the mode of 16, 9, 2, 2, 2, 9 and 3? (a) 2 (b) 9 (c) 3 (d) 16
  30. 30.The mean of 8 numbers is 12. When the number 48 is added to them, what is the new mean? (a) 12 (b) 17 (c) 30 (d) 16
  31. 31.What is the mode of 4, 6, 7, 6, 3, 3 and 6? (a) 6 (b) 7 (c) 4 (d) 3
  32. 32.The mean of 3 numbers is 40. When the number 32 is added to them, what is the new mean? (a) 40 (b) 39 (c) 38 (d) 36
  33. 33.What is the median of 13, 38, 40, 7 and 32? (a) 40 (b) 26 (c) 38 (d) 32
  34. 34.What is the mean of 5, 15, 15, 5, 12 and 2? (a) 10 (b) 8 (c) 11 (d) 9
  35. 35.The mean of 6 numbers is 40. When the number 33 is added to them, what is the new mean? (a) 40 (b) 38 (c) 39 (d) 41
  36. 36.What is the mode of 8, 5, 17, 4, 8, 5 and 5? (a) 8 (b) 5 (c) 4 (d) 17
  37. 37.What is the mean of 20, 14, 20, 18 and 18? (a) 18 (b) 17 (c) 19 (d) 15
  38. 38.What is the mode of 9, 17, 17, 17, 9, 20 and 12? (a) 20 (b) 12 (c) 17 (d) 9
  39. 39.What is the median of 37, 29, 5, 23 and 17? (a) 23 (b) 29 (c) 17 (d) 5
  40. 40.What is the median of 29, 24, 20, 4 and 18? (a) 19 (b) 18 (c) 24 (d) 20

Answer key

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

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