← 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 261 · 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.The mean of 5 numbers is 40. When the number 52 is added to them, what is the new mean? (a) 43 (b) 42 (c) 40 (d) 46
  2. 2.What is the mean of 4, 7, 11 and 6? (a) 7 (b) 6 (c) 9 (d) 8
  3. 3.What is the mode of 11, 8, 13, 11, 13, 11 and 17? (a) 13 (b) 8 (c) 17 (d) 11
  4. 4.What is the mean of 5, 4, 14, 7, 10 and 8? (a) 9 (b) 7 (c) 10 (d) 8
  5. 5.What is the median of 8, 12, 2, 32, 36, 27 and 4? (a) 32 (b) 8 (c) 27 (d) 12
  6. 6.What is the mean of 19, 6, 16 and 11? (a) 12 (b) 15 (c) 14 (d) 13
  7. 7.What is the median of 24, 39, 28, 10, 16, 17 and 8? (a) 24 (b) 16 (c) 10 (d) 17
  8. 8.What is the mean of 20, 6, 12, 12 and 5? (a) 10 (b) 13 (c) 11 (d) 12
  9. 9.The mean of 3 numbers is 33. When the number 21 is added to them, what is the new mean? (a) 31 (b) 33 (c) 30 (d) 27
  10. 10.What is the mode of 10, 5, 3, 3, 15, 3 and 15? (a) 10 (b) 3 (c) 15 (d) 5
  11. 11.What is the mean of 20, 12, 18 and 10? (a) 16 (b) 15 (c) 12 (d) 20
  12. 12.What is the mode of 10, 16, 16, 5, 17, 17 and 16? (a) 5 (b) 17 (c) 10 (d) 16
  13. 13.What is the median of 33, 4, 29, 18, 3, 23 and 9? (a) 9 (b) 18 (c) 23 (d) 17
  14. 14.What is the mode of 11, 18, 11, 17, 2, 18 and 18? (a) 17 (b) 18 (c) 11 (d) 2
  15. 15.What is the median of 18, 21, 33, 5 and 2? (a) 5 (b) 33 (c) 21 (d) 18
  16. 16.What is the median of 30, 28, 8, 14 and 15? (a) 19 (b) 8 (c) 15 (d) 28
  17. 17.What is the median of 40, 39, 32, 8 and 18? (a) 32 (b) 39 (c) 33 (d) 18
  18. 18.What is the mode of 10, 15, 5, 15, 15, 9 and 9? (a) 9 (b) 15 (c) 5 (d) 10
  19. 19.What is the mean of 7, 7, 6 and 16? (a) 9 (b) 8 (c) 10 (d) 12
  20. 20.What is the mode of 3, 19, 3, 6, 17, 3 and 19? (a) 19 (b) 3 (c) 17 (d) 6
  21. 21.What is the mode of 17, 17, 5, 12, 15, 15 and 15? (a) 5 (b) 12 (c) 15 (d) 17
  22. 22.The mean of 8 numbers is 34. When the number 52 is added to them, what is the new mean? (a) 43 (b) 37 (c) 36 (d) 34
  23. 23.What is the mode of 7, 8, 6, 12, 8, 6 and 8? (a) 6 (b) 7 (c) 8 (d) 12
  24. 24.What is the mean of 4, 18, 19 and 7? (a) 13 (b) 12 (c) 16 (d) 11
  25. 25.What is the mode of 2, 6, 18, 2, 2, 11 and 6? (a) 6 (b) 18 (c) 2 (d) 11
  26. 26.What is the median of 11, 6, 12, 25, 37, 13 and 36? (a) 13 (b) 20 (c) 12 (d) 25
  27. 27.What is the median of 3, 27, 2, 8 and 19? (a) 2 (b) 19 (c) 3 (d) 8
  28. 28.What is the mode of 10, 8, 8, 5, 5, 4 and 5? (a) 8 (b) 4 (c) 10 (d) 5
  29. 29.What is the median of 2, 39, 37, 24, 16, 29 and 30? (a) 28 (b) 29 (c) 30 (d) 24
  30. 30.The mean of 4 numbers is 31. When the number 21 is added to them, what is the new mean? (a) 30 (b) 29 (c) 26 (d) 31
  31. 31.What is the mean of 9, 13, 2, 7 and 14? (a) 9 (b) 8 (c) 11 (d) 10
  32. 32.The mean of 6 numbers is 18. When the number 46 is added to them, what is the new mean? (a) 32 (b) 18 (c) 22 (d) 23
  33. 33.What is the median of 35, 10, 6, 3, 22, 18 and 11? (a) 15 (b) 3 (c) 11 (d) 18
  34. 34.What is the mode of 1, 16, 1, 11, 1, 14 and 16? (a) 16 (b) 1 (c) 11 (d) 14
  35. 35.What is the mean of 17, 14, 4, 5, 19 and 19? (a) 14 (b) 15 (c) 13 (d) 12
  36. 36.What is the median of 23, 26, 2, 36 and 9? (a) 9 (b) 23 (c) 26 (d) 2
  37. 37.What is the mode of 3, 8, 9, 4, 9, 3 and 9? (a) 3 (b) 9 (c) 8 (d) 4
  38. 38.What is the mode of 20, 1, 20, 16, 9, 9 and 9? (a) 9 (b) 20 (c) 1 (d) 16
  39. 39.What is the mode of 14, 14, 14, 5, 5, 4 and 16? (a) 16 (b) 14 (c) 4 (d) 5
  40. 40.What is the median of 2, 24, 39, 12, 10, 17 and 5? (a) 12 (b) 13 (c) 10 (d) 17

Answer key

  1. 42
  2. 7
  3. 11
  4. 8
  5. 12
  6. 13
  7. 17
  8. 11
  9. 30
  10. 3
  11. 15
  12. 16
  13. 18
  14. 18
  15. 18
  16. 15
  17. 32
  18. 15
  19. 9
  20. 3
  21. 15
  22. 36
  23. 8
  24. 12
  25. 2
  26. 13
  27. 8
  28. 5
  29. 29
  30. 29
  31. 9
  32. 22
  33. 11
  34. 1
  35. 13
  36. 23
  37. 9
  38. 9
  39. 14
  40. 12

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