Asked by Oscar

When the outliers are removed, how does the mean change?

dot plot with 1 on 50, 1 on 76, 1 on 78, 2 on 79, 1 on 80, 1 on 81, 2 on 82, 1 on 83

The mean decreases by 3.
The mean increases by 2.
The mean increases by 3.
There are no outliers.

Answered by PsyDAG
Mean = ∑x/n

Calculate the mean with all the scores, then calculate the mean without the 50.
Answered by Chad
The mean increases by 2.
Answered by rheagen
the mean increased by 2
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