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Compare how mean and median change when an outlier is removed

Year 7 maths · Fieldbook Learning

Name ______________________ Date __________

Find the mean, median, mode and range. Look for a value far from the rest. Ask which measure it pulls the most, and which one barely moves.

  1. Find the mean, median, mode and range of this data set: 1, 5, 11, 4, 4
  2. Find the mean, median, mode and range of this data set: 10, 2, 2, 5, 1
  3. Find the mean, median, mode and range of this data set: 6, 7, 9, 11, 7
  4. Find the mean, median, mode and range of this data set: 6, 8, 5, 6, 10
  5. Find the mean, median, mode and range of this data set: 1, 6, 22, 19, 22
  6. Find the mean, median, mode and range of this data set: 17, 17, 21, 27, 13
  7. Find the mean, median, mode and range of this data set: 7, 20, 9, 2, 2
  8. Find the mean, median, mode and range of this data set: 2, 1, 1, 27, 24
  9. Find the mean, median, mode and range of this data set: 29, 37, 29, 40, 14, 25
  10. Find the mean, median, mode and range of this data set: 35, 1, 35, 36, 30, 37
  11. Find the mean, median, mode and range of this data set: 29, 22, 30, 36, 3, 36
  12. Find the mean, median, mode and range of this data set: 3, 35, 16, 4, 4, 40
  13. Find the mean, median, mode and range of this data set: 27, 52, 46, 3, 30, 6, 46
  14. Find the mean, median, mode and range of this data set: 37, 44, 1, 49, 1, 59, 5
  15. Find the mean, median, mode and range of this data set: 16, 8, 58, 24, 24, 49, 31
  16. Find the mean, median, mode and range of this data set: 10, 46, 3, 43, 10, 17, 11
  17. Find the mean, median, mode and range of this data set: 42, 13, 30, 44, 54, 52, 30, 74, 57
  18. Find the mean, median, mode and range of this data set: 19, 54, 62, 46, 46, 65, 44, 63, 60
  19. Find the mean, median, mode and range of this data set: 14, 87, 1, 82, 87, 25, 2, 24, 83
  20. Find the mean, median, mode and range of this data set: 15, 6, 10, 56, 6, 23, 46, 42, 66
More free practice: fieldbooklearning.com/uk/practice/year-7/compare-how-mean-and-median-change-when-an-outlier-is-removed/

Answer key: Compare how mean and median change when an outlier is removed

  1. 5, 4, 4, 10
  2. 4, 2, 2, 9
  3. 8, 7, 7, 5
  4. 7, 6, 6, 5
  5. 14, 19, 22, 21
  6. 19, 17, 17, 14
  7. 8, 7, 2, 18
  8. 11, 2, 1, 26
  9. 29, 29, 29, 26
  10. 29, 35, 35, 36
  11. 26, 29.5, 36, 33
  12. 17, 10, 4, 37
  13. 30, 30, 46, 49
  14. 28, 37, 1, 58
  15. 30, 24, 24, 50
  16. 20, 11, 10, 43
  17. 44, 44, 30, 61
  18. 51, 54, 46, 46
  19. 45, 25, 87, 86
  20. 30, 23, 6, 60