Compare how mean and median change when an outlier is removed
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.
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Find the mean, median, mode and range of this data set: 11, 8, 8, 3, 5
Answer: Mean: 7; Median: 8; Mode: 8; Range: 8
Find the mean, median, mode and range of this data set: 1, 2, 8, 11, 8
Answer: Mean: 6; Median: 8; Mode: 8; Range: 10
Find the mean, median, mode and range of this data set: 2, 12, 9, 6, 6
Answer: Mean: 7; Median: 6; Mode: 6; Range: 10
Tip: 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.
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