Collecting and Interpreting Data Question
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Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.3
Which of the following best describes the effect of removing an outlier on the mean of a data set?
- If the outlier is the minimum value, the mean will decrease; and if the outlier is the maximum value, the mean will increase.
- If the outlier is the minimum value, the mean will increase; and if the outlier is the maximum value, the mean will decrease.
- The mean will increase, regardless of the outlier's value (maximum or minimum).
- The mean will decrease, regardless of the outlier's value (maximum or minimum).