Chapter 9, Problem 3P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

Find the estimated standard error for the sample mean for each of the following samples.

a. *n* = 4 with *SS* = 48

b. *n* = 6 with *SS* = 270

c. *n* = 12 with *SS* = 132

**a.**

To determine

**To Find:** The estimated standard error for the given sample.

Explanation

**Given info:**

A sample with 4 scores has sum of squared difference (SS) equals 48.

**Calculation:**

Calculate sample variance, s^{2}, as:

Substitute

**b.**

To determine

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

**c.**

To determine

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

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