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 median of a data set?
- If the outlier is the minimum value, the median may decrease; and if the outlier is the maximum value, the median may increase.
- If the outlier is the minimum value, the median may increase; and if the outlier is the maximum value, the median may decrease.
- The median will not be affected by the removal of an outlier.
- The median will change, but whether it increases or decreases does not depend on whether the outlier is a maximum or minimum value of the data set.