Here are 10 test scores: 50, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 76.
How does removing the outlier 50 affect the mean?
A.
The set has 50 as an outlier and removing it decreases the mean by about 2.
B.
The set has 50 as an outlier and removing it increases the mean by about 3.
C.
The set has 50 as an outlier and removing it decreases the mean by about 6.
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B.

@Foxythepirate0984 , what do you think?

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