Chapter 3, Problem 13P

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10th Edition

Frederick J Gravetter + 1 other

ISBN: 9781305504912

Textbook Problem

A sample of n = 7 scores has a mean of M = 16. One

score in the sample is changed from X = 6 to X = 20.

What is the value for the new sample mean?

To determine

Find the new sample mean when one score in the sample is changed from

Explanation

When one score in the sample is changed from

In this problem, we want to find *n *both sides.

**Given:**

**Formula used:**

**Calculations:**

First find the sum of scores for original data

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