← 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 833 · 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 13, 27, 5, 31 and 23? (a) 13 (b) 27 (c) 23 (d) 5
  2. 2.The mean of 4 numbers is 10. When the number 20 is added to them, what is the new mean? (a) 12 (b) 10 (c) 13 (d) 15
  3. 3.What is the mean of 16, 5, 6 and 17? (a) 13 (b) 10 (c) 11 (d) 12
  4. 4.The mean of 7 numbers is 25. When the number 9 is added to them, what is the new mean? (a) 24 (b) 25 (c) 23 (d) 17
  5. 5.What is the median of 23, 4, 34, 40, 16, 18 and 37? (a) 34 (b) 18 (c) 40 (d) 23
  6. 6.What is the mean of 19, 16, 10, 4 and 6? (a) 13 (b) 11 (c) 10 (d) 12
  7. 7.The mean of 8 numbers is 20. When the number 2 is added to them, what is the new mean? (a) 11 (b) 20 (c) 19 (d) 18
  8. 8.What is the mean of 8, 11, 13, 14 and 19? (a) 14 (b) 12 (c) 13 (d) 15
  9. 9.What is the mean of 9, 5, 3, 12, 5 and 14? (a) 10 (b) 9 (c) 8 (d) 7
  10. 10.What is the mode of 13, 1, 17, 10, 17, 1 and 17? (a) 1 (b) 17 (c) 10 (d) 13
  11. 11.What is the mean of 12, 9, 5, 6 and 3? (a) 9 (b) 8 (c) 7 (d) 6
  12. 12.The mean of 6 numbers is 40. When the number 26 is added to them, what is the new mean? (a) 33 (b) 40 (c) 38 (d) 39
  13. 13.The mean of 6 numbers is 34. When the number 27 is added to them, what is the new mean? (a) 34 (b) 33 (c) 32 (d) 35
  14. 14.What is the median of 37, 9, 11, 23 and 15? (a) 23 (b) 15 (c) 11 (d) 19
  15. 15.What is the mode of 19, 19, 9, 9, 13, 12 and 19? (a) 12 (b) 19 (c) 13 (d) 9
  16. 16.What is the median of 30, 4, 9, 32 and 40? (a) 9 (b) 23 (c) 32 (d) 30
  17. 17.What is the median of 1, 32, 40, 37, 12, 39 and 30? (a) 32 (b) 33 (c) 37 (d) 30
  18. 18.What is the median of 12, 9, 39, 36, 17, 21 and 27? (a) 21 (b) 36 (c) 27 (d) 23
  19. 19.The mean of 4 numbers is 33. When the number 18 is added to them, what is the new mean? (a) 30 (b) 31 (c) 33 (d) 29
  20. 20.The mean of 6 numbers is 27. When the number 55 is added to them, what is the new mean? (a) 31 (b) 41 (c) 27 (d) 32
  21. 21.The mean of 4 numbers is 24. When the number 19 is added to them, what is the new mean? (a) 24 (b) 22 (c) 23 (d) 25
  22. 22.The mean of 4 numbers is 30. When the number 15 is added to them, what is the new mean? (a) 28 (b) 27 (c) 30 (d) 26
  23. 23.What is the mean of 12, 19, 19, 3 and 12? (a) 13 (b) 15 (c) 12 (d) 14
  24. 24.What is the mode of 9, 20, 20, 20, 17, 2 and 9? (a) 9 (b) 20 (c) 17 (d) 2
  25. 25.What is the median of 14, 28, 12, 3, 33, 25 and 40? (a) 3 (b) 25 (c) 28 (d) 14
  26. 26.What is the median of 5, 24, 1, 14, 25, 19 and 3? (a) 19 (b) 13 (c) 5 (d) 14
  27. 27.What is the median of 26, 12, 35, 38 and 20? (a) 20 (b) 35 (c) 27 (d) 26
  28. 28.What is the mode of 4, 4, 4, 11, 7, 18 and 11? (a) 4 (b) 18 (c) 7 (d) 11
  29. 29.What is the mode of 17, 3, 15, 3, 3, 15 and 6? (a) 17 (b) 15 (c) 6 (d) 3
  30. 30.What is the mean of 18, 5, 5 and 8? (a) 12 (b) 10 (c) 8 (d) 9
  31. 31.What is the median of 13, 27, 40, 21 and 37? (a) 40 (b) 37 (c) 21 (d) 27
  32. 32.What is the mode of 19, 4, 19, 14, 4, 18 and 4? (a) 4 (b) 18 (c) 14 (d) 19
  33. 33.What is the mode of 9, 5, 4, 11, 4, 5 and 4? (a) 9 (b) 5 (c) 11 (d) 4
  34. 34.What is the median of 16, 1, 6, 15, 31, 40 and 3? (a) 16 (b) 14 (c) 15 (d) 6
  35. 35.What is the median of 25, 21, 37, 39 and 34? (a) 34 (b) 25 (c) 35 (d) 37
  36. 36.The mean of 9 numbers is 35. When the number 65 is added to them, what is the new mean? (a) 50 (b) 39 (c) 35 (d) 38
  37. 37.The mean of 4 numbers is 14. When the number 29 is added to them, what is the new mean? (a) 18 (b) 16 (c) 14 (d) 17
  38. 38.What is the mode of 17, 7, 7, 3, 13, 3 and 7? (a) 17 (b) 7 (c) 3 (d) 13
  39. 39.What is the median of 11, 7, 2, 40 and 25? (a) 25 (b) 11 (c) 2 (d) 17
  40. 40.What is the median of 6, 21, 13, 16, 14, 28 and 34? (a) 16 (b) 17 (c) 21 (d) 14

Answer key

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

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