Chapter 9.1, Problem 2LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

A sample of *n* = 9 scores has SS = 288.

**a.** Compute the variance for the sample.

**b.** Compute the estimated standard error for the sample mean.

**a.**

To determine

**To find:** The variance for the sample.

Explanation

**Given info:**

A sample of 9 scores has sum of squared difference (SS) equal to 288.

**Calculations:**

The formula to Compute sample variance

Substitute

**b.**

To determine

**To find:** The estimated standard error for the sample mean.

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