← 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 448 · 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 mode of 1, 11, 11, 1, 11, 17 and 15? (a) 17 (b) 1 (c) 11 (d) 15
  2. 2.The mean of 5 numbers is 21. When the number 9 is added to them, what is the new mean? (a) 21 (b) 15 (c) 20 (d) 19
  3. 3.What is the mode of 18, 1, 10, 18, 19, 18 and 10? (a) 18 (b) 1 (c) 19 (d) 10
  4. 4.What is the mode of 1, 5, 10, 2, 1, 10 and 10? (a) 10 (b) 5 (c) 2 (d) 1
  5. 5.What is the median of 36, 35, 25, 27 and 11? (a) 27 (b) 28 (c) 25 (d) 35
  6. 6.What is the median of 19, 2, 15, 24, 12, 40 and 27? (a) 19 (b) 24 (c) 15 (d) 20
  7. 7.What is the median of 37, 24, 9, 35 and 17? (a) 35 (b) 24 (c) 17 (d) 9
  8. 8.What is the mode of 1, 9, 8, 9, 14, 14 and 9? (a) 8 (b) 1 (c) 9 (d) 14
  9. 9.What is the median of 4, 15, 13, 38, 5, 7 and 6? (a) 6 (b) 38 (c) 7 (d) 13
  10. 10.The mean of 5 numbers is 39. When the number 63 is added to them, what is the new mean? (a) 51 (b) 44 (c) 43 (d) 39
  11. 11.The mean of 9 numbers is 15. When the number 25 is added to them, what is the new mean? (a) 20 (b) 15 (c) 17 (d) 16
  12. 12.The mean of 7 numbers is 34. When the number 26 is added to them, what is the new mean? (a) 34 (b) 32 (c) 30 (d) 33
  13. 13.What is the mode of 13, 6, 11, 13, 6, 13 and 3? (a) 11 (b) 3 (c) 13 (d) 6
  14. 14.What is the mean of 3, 8, 11 and 18? (a) 10 (b) 9 (c) 8 (d) 11
  15. 15.What is the median of 19, 35, 18, 16, 6, 14 and 40? (a) 18 (b) 19 (c) 17 (d) 16
  16. 16.The mean of 4 numbers is 22. When the number 17 is added to them, what is the new mean? (a) 21 (b) 23 (c) 20 (d) 22
  17. 17.What is the mode of 7, 11, 4, 13, 4, 13 and 4? (a) 13 (b) 7 (c) 11 (d) 4
  18. 18.What is the mean of 11, 17, 10 and 10? (a) 16 (b) 13 (c) 12 (d) 11
  19. 19.What is the mode of 20, 11, 19, 2, 2, 2 and 19? (a) 11 (b) 20 (c) 2 (d) 19
  20. 20.What is the median of 34, 37, 29, 24, 35, 4 and 8? (a) 24 (b) 30 (c) 34 (d) 29
  21. 21.What is the median of 6, 3, 16, 19, 18, 31 and 37? (a) 16 (b) 17 (c) 19 (d) 18
  22. 22.What is the mean of 11, 15, 2, 2 and 5? (a) 9 (b) 8 (c) 6 (d) 7
  23. 23.The mean of 3 numbers is 30. When the number 34 is added to them, what is the new mean? (a) 33 (b) 30 (c) 32 (d) 31
  24. 24.What is the mean of 16, 8, 14 and 14? (a) 14 (b) 15 (c) 13 (d) 12
  25. 25.The mean of 9 numbers is 12. When the number 42 is added to them, what is the new mean? (a) 12 (b) 27 (c) 15 (d) 16
  26. 26.What is the median of 2, 11, 33, 14, 15, 9 and 20? (a) 15 (b) 11 (c) 13 (d) 14
  27. 27.What is the mean of 13, 3, 16, 10 and 23? (a) 12 (b) 13 (c) 14 (d) 15
  28. 28.What is the mode of 11, 17, 4, 17, 11, 10 and 11? (a) 17 (b) 4 (c) 11 (d) 10
  29. 29.What is the mean of 10, 17, 11 and 10? (a) 12 (b) 11 (c) 13 (d) 16
  30. 30.The mean of 4 numbers is 12. When the number 17 is added to them, what is the new mean? (a) 14 (b) 12 (c) 15 (d) 13
  31. 31.The mean of 4 numbers is 35. When the number 45 is added to them, what is the new mean? (a) 35 (b) 38 (c) 37 (d) 40
  32. 32.What is the mean of 5, 19, 3, 11 and 12? (a) 10 (b) 9 (c) 11 (d) 12
  33. 33.What is the mean of 18, 4, 13, 9 and 11? (a) 10 (b) 11 (c) 13 (d) 12
  34. 34.What is the median of 30, 36, 2, 10, 27, 31 and 37? (a) 10 (b) 30 (c) 27 (d) 31
  35. 35.What is the median of 2, 15, 29, 7 and 20? (a) 15 (b) 29 (c) 20 (d) 7
  36. 36.What is the median of 35, 20, 8, 25, 24, 36 and 4? (a) 25 (b) 24 (c) 20 (d) 23
  37. 37.What is the mean of 11, 11, 14, 15, 11 and 16? (a) 14 (b) 12 (c) 13 (d) 15
  38. 38.What is the median of 32, 23, 36, 2 and 33? (a) 33 (b) 23 (c) 36 (d) 32
  39. 39.What is the mean of 9, 5, 11, 17 and 8? (a) 12 (b) 9 (c) 10 (d) 11
  40. 40.What is the median of 2, 1, 29, 22, 7, 15 and 27? (a) 15 (b) 7 (c) 22 (d) 16

Answer key

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

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