How one extreme score influences mean and standard deviation
For the following sample:
8, 1, 5,1, 5
a. Find the mean and the standard deviation.
b. Now change the score of X=8 to X=18, and find the new mean and standard deviation.
c. Describe how one extreme score influences the mean and standard deviation.
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Now change the score of X=8 to X=18, and find the new mean and standard deviation. Describe how one extreme score influences the mean and standard deviation.
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