← 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 242 · 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 13, 16, 15, 5 and 6? (a) 10 (b) 11 (c) 13 (d) 12
  2. 2.The mean of 4 numbers is 19. When the number 14 is added to them, what is the new mean? (a) 20 (b) 17 (c) 18 (d) 19
  3. 3.What is the mean of 7, 13, 5, 6 and 9? (a) 7 (b) 8 (c) 10 (d) 9
  4. 4.What is the mean of 4, 11, 14, 10 and 6? (a) 9 (b) 10 (c) 8 (d) 11
  5. 5.What is the mean of 3, 16, 10, 15 and 6? (a) 12 (b) 11 (c) 10 (d) 9
  6. 6.What is the median of 19, 13, 5, 16 and 26? (a) 13 (b) 19 (c) 5 (d) 16
  7. 7.What is the mean of 12, 18, 12, 10, 17 and 9? (a) 13 (b) 15 (c) 14 (d) 12
  8. 8.What is the mode of 8, 20, 8, 8, 14, 14 and 12? (a) 14 (b) 12 (c) 8 (d) 20
  9. 9.What is the mode of 6, 4, 20, 6, 16, 20 and 20? (a) 6 (b) 4 (c) 16 (d) 20
  10. 10.The mean of 8 numbers is 34. When the number 52 is added to them, what is the new mean? (a) 37 (b) 43 (c) 34 (d) 36
  11. 11.What is the mean of 11, 2, 11, 13, 8 and 21? (a) 11 (b) 13 (c) 12 (d) 10
  12. 12.What is the mode of 3, 2, 1, 3, 2, 13 and 2? (a) 13 (b) 1 (c) 3 (d) 2
  13. 13.What is the median of 30, 19, 26, 33, 5, 40 and 16? (a) 33 (b) 26 (c) 30 (d) 19
  14. 14.What is the mode of 4, 18, 13, 4, 18, 4 and 3? (a) 13 (b) 3 (c) 4 (d) 18
  15. 15.What is the mean of 11, 3, 3, 18, 19 and 18? (a) 12 (b) 13 (c) 11 (d) 14
  16. 16.The mean of 5 numbers is 34. When the number 52 is added to them, what is the new mean? (a) 43 (b) 38 (c) 34 (d) 37
  17. 17.What is the mean of 18, 19, 18 and 21? (a) 20 (b) 19 (c) 21 (d) 18
  18. 18.The mean of 9 numbers is 30. When the number 70 is added to them, what is the new mean? (a) 50 (b) 35 (c) 30 (d) 34
  19. 19.What is the mean of 16, 14, 18, 3 and 19? (a) 16 (b) 15 (c) 13 (d) 14
  20. 20.What is the mean of 7, 11, 10, 8 and 14? (a) 9 (b) 12 (c) 10 (d) 11
  21. 21.What is the mode of 8, 19, 16, 8, 8, 2 and 19? (a) 2 (b) 19 (c) 16 (d) 8
  22. 22.What is the median of 15, 25, 9, 14 and 29? (a) 9 (b) 25 (c) 14 (d) 15
  23. 23.What is the mode of 4, 18, 17, 17, 4, 17 and 10? (a) 10 (b) 4 (c) 18 (d) 17
  24. 24.What is the mean of 18, 10, 10, 3 and 14? (a) 12 (b) 11 (c) 13 (d) 10
  25. 25.What is the mode of 1, 5, 15, 1, 5, 5 and 7? (a) 5 (b) 15 (c) 7 (d) 1
  26. 26.What is the mode of 9, 9, 19, 10, 10, 5 and 10? (a) 5 (b) 10 (c) 19 (d) 9
  27. 27.What is the mode of 13, 15, 8, 8, 16, 13 and 13? (a) 13 (b) 16 (c) 15 (d) 8
  28. 28.The mean of 4 numbers is 24. When the number 34 is added to them, what is the new mean? (a) 29 (b) 26 (c) 27 (d) 24
  29. 29.What is the mean of 17, 2, 2 and 11? (a) 9 (b) 8 (c) 7 (d) 10
  30. 30.What is the median of 27, 38, 24, 25 and 16? (a) 26 (b) 24 (c) 27 (d) 25
  31. 31.What is the median of 5, 31, 11, 25, 37, 21 and 3? (a) 19 (b) 25 (c) 21 (d) 11
  32. 32.The mean of 6 numbers is 33. When the number 19 is added to them, what is the new mean? (a) 33 (b) 32 (c) 26 (d) 31
  33. 33.What is the mean of 16, 11, 8 and 21? (a) 14 (b) 13 (c) 15 (d) 16
  34. 34.What is the median of 37, 28, 13, 35 and 36? (a) 28 (b) 35 (c) 13 (d) 36
  35. 35.What is the mean of 3, 16, 7, 3 and 21? (a) 10 (b) 11 (c) 12 (d) 9
  36. 36.What is the median of 1, 35, 5, 20, 10, 39 and 36? (a) 10 (b) 35 (c) 21 (d) 20
  37. 37.What is the mode of 3, 14, 10, 3, 5, 5 and 5? (a) 5 (b) 10 (c) 3 (d) 14
  38. 38.What is the median of 25, 6, 22, 39, 34, 12 and 5? (a) 22 (b) 39 (c) 25 (d) 12
  39. 39.What is the mean of 7, 13, 2 and 14? (a) 8 (b) 10 (c) 9 (d) 12
  40. 40.What is the mode of 6, 2, 6, 2, 7, 16 and 2? (a) 16 (b) 7 (c) 6 (d) 2

Answer key

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

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