← 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 247 · 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 3, 17, 14 and 10? (a) 10 (b) 11 (c) 13 (d) 12
  2. 2.What is the mean of 12, 10, 6 and 16? (a) 10 (b) 13 (c) 12 (d) 11
  3. 3.What is the median of 8, 12, 2, 32 and 39? (a) 32 (b) 8 (c) 2 (d) 12
  4. 4.What is the median of 37, 11, 31, 4 and 25? (a) 26 (b) 11 (c) 31 (d) 25
  5. 5.The mean of 3 numbers is 23. When the number 15 is added to them, what is the new mean? (a) 23 (b) 22 (c) 19 (d) 21
  6. 6.What is the mode of 14, 3, 20, 16, 20, 20 and 14? (a) 3 (b) 14 (c) 16 (d) 20
  7. 7.What is the median of 12, 17, 10, 24 and 31? (a) 24 (b) 10 (c) 12 (d) 17
  8. 8.What is the median of 9, 4, 25, 15, 8, 16 and 23? (a) 14 (b) 15 (c) 16 (d) 9
  9. 9.What is the mode of 10, 6, 13, 10, 13, 10 and 18? (a) 18 (b) 6 (c) 10 (d) 13
  10. 10.What is the mean of 5, 2, 20 and 9? (a) 12 (b) 9 (c) 8 (d) 10
  11. 11.What is the mean of 14, 2, 7, 8 and 24? (a) 12 (b) 10 (c) 13 (d) 11
  12. 12.The mean of 6 numbers is 30. When the number 58 is added to them, what is the new mean? (a) 35 (b) 30 (c) 34 (d) 44
  13. 13.What is the median of 29, 23, 9, 14 and 18? (a) 23 (b) 9 (c) 14 (d) 18
  14. 14.What is the mode of 3, 5, 3, 17, 14, 3 and 17? (a) 5 (b) 17 (c) 14 (d) 3
  15. 15.The mean of 4 numbers is 21. When the number 16 is added to them, what is the new mean? (a) 22 (b) 21 (c) 19 (d) 20
  16. 16.What is the mean of 20, 16, 10 and 10? (a) 14 (b) 13 (c) 16 (d) 15
  17. 17.What is the median of 4, 35, 33, 20 and 1? (a) 20 (b) 21 (c) 4 (d) 33
  18. 18.What is the mean of 2, 5, 16, 16 and 6? (a) 8 (b) 11 (c) 9 (d) 10
  19. 19.What is the mean of 15, 7, 15, 6 and 22? (a) 12 (b) 13 (c) 15 (d) 14
  20. 20.The mean of 6 numbers is 14. When the number 42 is added to them, what is the new mean? (a) 14 (b) 19 (c) 28 (d) 18
  21. 21.What is the median of 29, 38, 7, 16, 12, 6 and 17? (a) 17 (b) 15 (c) 16 (d) 12
  22. 22.The mean of 4 numbers is 25. When the number 15 is added to them, what is the new mean? (a) 20 (b) 24 (c) 23 (d) 25
  23. 23.What is the mean of 12, 19, 9 and 12? (a) 12 (b) 14 (c) 15 (d) 13
  24. 24.The mean of 7 numbers is 25. When the number 17 is added to them, what is the new mean? (a) 21 (b) 24 (c) 25 (d) 23
  25. 25.The mean of 4 numbers is 26. When the number 16 is added to them, what is the new mean? (a) 21 (b) 25 (c) 24 (d) 26
  26. 26.What is the mean of 13, 14, 18, 8 and 22? (a) 14 (b) 17 (c) 15 (d) 16
  27. 27.What is the median of 26, 21, 25, 13, 29, 10 and 11? (a) 25 (b) 22 (c) 21 (d) 13
  28. 28.What is the mode of 5, 1, 2, 1, 8, 1 and 8? (a) 5 (b) 1 (c) 8 (d) 2
  29. 29.What is the median of 5, 31, 22, 7, 40, 8 and 36? (a) 7 (b) 31 (c) 22 (d) 8
  30. 30.What is the median of 12, 31, 10, 15, 14, 26 and 9? (a) 14 (b) 12 (c) 15 (d) 13
  31. 31.The mean of 8 numbers is 31. When the number 67 is added to them, what is the new mean? (a) 31 (b) 36 (c) 49 (d) 35
  32. 32.The mean of 8 numbers is 29. When the number 20 is added to them, what is the new mean? (a) 29 (b) 28 (c) 30 (d) 27
  33. 33.The mean of 7 numbers is 38. When the number 6 is added to them, what is the new mean? (a) 38 (b) 22 (c) 34 (d) 35
  34. 34.What is the mean of 8, 10, 8, 19, 14 and 19? (a) 14 (b) 12 (c) 13 (d) 15
  35. 35.The mean of 4 numbers is 26. When the number 46 is added to them, what is the new mean? (a) 26 (b) 31 (c) 36 (d) 30
  36. 36.What is the mode of 19, 4, 4, 19, 19, 5 and 2? (a) 5 (b) 19 (c) 2 (d) 4
  37. 37.What is the median of 16, 13, 33, 3 and 15? (a) 33 (b) 13 (c) 16 (d) 15
  38. 38.What is the median of 39, 40, 36, 9 and 4? (a) 36 (b) 37 (c) 39 (d) 9
  39. 39.What is the mean of 2, 5, 7 and 10? (a) 7 (b) 5 (c) 8 (d) 6
  40. 40.What is the median of 20, 15, 31, 38 and 10? (a) 15 (b) 21 (c) 31 (d) 20

Answer key

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

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