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A random sample of 10 GPA's from a 20 student class yielded a sample mean of 3.25 and a sample standard deviation of 0.8. Calculate

A random sample of 10 GPA's from a 20 student class yielded a sample mean of 3.25 and a sample standard deviation of 0.8. Calculate the standard deviation for the sample mean or the standard error for this example.

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