← 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 941 · 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 4, 3, 35, 16, 11, 21 and 5? (a) 5 (b) 11 (c) 12 (d) 16
  2. 2.What is the mode of 10, 6, 20, 7, 20, 20 and 6? (a) 20 (b) 10 (c) 7 (d) 6
  3. 3.What is the mean of 9, 3, 5 and 19? (a) 9 (b) 8 (c) 12 (d) 10
  4. 4.What is the median of 36, 20, 35, 14 and 1? (a) 14 (b) 21 (c) 35 (d) 20
  5. 5.What is the mean of 11, 15, 19, 5 and 10? (a) 12 (b) 13 (c) 10 (d) 15
  6. 6.What is the mode of 20, 1, 7, 15, 20, 7 and 7? (a) 20 (b) 1 (c) 7 (d) 15
  7. 7.What is the mode of 12, 16, 2, 16, 16, 7 and 12? (a) 2 (b) 7 (c) 12 (d) 16
  8. 8.What is the mean of 9, 14, 8 and 17? (a) 16 (b) 12 (c) 11 (d) 13
  9. 9.What is the median of 39, 14, 38, 26, 9, 3 and 37? (a) 27 (b) 14 (c) 26 (d) 37
  10. 10.What is the mean of 13, 18, 11, 2, 19 and 9? (a) 13 (b) 11 (c) 14 (d) 12
  11. 11.What is the mode of 16, 3, 5, 8, 5, 5 and 8? (a) 5 (b) 8 (c) 3 (d) 16
  12. 12.The mean of 3 numbers is 40. When the number 52 is added to them, what is the new mean? (a) 43 (b) 46 (c) 44 (d) 40
  13. 13.What is the mode of 12, 14, 4, 5, 12, 14 and 12? (a) 4 (b) 12 (c) 14 (d) 5
  14. 14.What is the mean of 20, 7, 10, 3, 11 and 3? (a) 9 (b) 10 (c) 8 (d) 11
  15. 15.What is the median of 29, 26, 31, 40 and 38? (a) 38 (b) 32 (c) 29 (d) 31
  16. 16.The mean of 7 numbers is 33. When the number 1 is added to them, what is the new mean? (a) 30 (b) 17 (c) 33 (d) 29
  17. 17.The mean of 5 numbers is 32. When the number 20 is added to them, what is the new mean? (a) 26 (b) 31 (c) 32 (d) 30
  18. 18.What is the mean of 19, 8, 6, 4 and 3? (a) 10 (b) 9 (c) 8 (d) 7
  19. 19.The mean of 9 numbers is 38. When the number 18 is added to them, what is the new mean? (a) 37 (b) 28 (c) 36 (d) 38
  20. 20.What is the median of 21, 27, 4, 26 and 16? (a) 4 (b) 21 (c) 16 (d) 26
  21. 21.The mean of 8 numbers is 28. When the number 1 is added to them, what is the new mean? (a) 26 (b) 24 (c) 25 (d) 28
  22. 22.What is the mode of 2, 11, 1, 13, 1, 1 and 11? (a) 1 (b) 11 (c) 13 (d) 2
  23. 23.The mean of 5 numbers is 16. When the number 22 is added to them, what is the new mean? (a) 16 (b) 19 (c) 17 (d) 18
  24. 24.What is the median of 5, 27, 40, 8, 35, 26 and 7? (a) 8 (b) 27 (c) 26 (d) 25
  25. 25.What is the mean of 17, 13, 6, 14, 4 and 24? (a) 15 (b) 14 (c) 12 (d) 13
  26. 26.What is the mode of 14, 14, 15, 6, 15, 4 and 15? (a) 14 (b) 15 (c) 6 (d) 4
  27. 27.What is the median of 35, 36, 26, 6, 24, 5 and 12? (a) 12 (b) 6 (c) 24 (d) 26
  28. 28.The mean of 6 numbers is 29. When the number 1 is added to them, what is the new mean? (a) 15 (b) 25 (c) 29 (d) 26
  29. 29.What is the mean of 15, 8, 10 and 15? (a) 13 (b) 16 (c) 11 (d) 12
  30. 30.What is the median of 30, 23, 32, 21, 13, 12 and 2? (a) 23 (b) 21 (c) 13 (d) 19
  31. 31.What is the median of 9, 35, 33, 15, 28, 14 and 17? (a) 28 (b) 15 (c) 17 (d) 18
  32. 32.The mean of 3 numbers is 17. When the number 29 is added to them, what is the new mean? (a) 20 (b) 21 (c) 23 (d) 17
  33. 33.The mean of 7 numbers is 18. When the number 34 is added to them, what is the new mean? (a) 21 (b) 20 (c) 18 (d) 26
  34. 34.What is the mode of 10, 4, 10, 2, 10, 2 and 11? (a) 11 (b) 4 (c) 10 (d) 2
  35. 35.What is the median of 31, 23, 2, 36 and 13? (a) 2 (b) 21 (c) 31 (d) 23
  36. 36.What is the median of 34, 21, 7, 15 and 33? (a) 7 (b) 22 (c) 33 (d) 21
  37. 37.What is the mean of 4, 9, 4, 5 and 13? (a) 8 (b) 9 (c) 6 (d) 7
  38. 38.What is the median of 29, 40, 22, 35, 14, 1 and 36? (a) 35 (b) 29 (c) 22 (d) 30
  39. 39.What is the median of 28, 20, 15, 29, 2, 34 and 4? (a) 29 (b) 20 (c) 15 (d) 28
  40. 40.What is the median of 39, 15, 35, 3, 5, 6 and 33? (a) 3 (b) 15 (c) 33 (d) 6

Answer key

  1. 11
  2. 20
  3. 9
  4. 20
  5. 12
  6. 7
  7. 16
  8. 12
  9. 26
  10. 12
  11. 5
  12. 43
  13. 12
  14. 9
  15. 31
  16. 29
  17. 30
  18. 8
  19. 36
  20. 21
  21. 25
  22. 1
  23. 17
  24. 26
  25. 13
  26. 15
  27. 24
  28. 25
  29. 12
  30. 21
  31. 17
  32. 20
  33. 20
  34. 10
  35. 23
  36. 21
  37. 7
  38. 29
  39. 20
  40. 15

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