Answer
In a single mean test, mean of one sample is compared to a specific value. In testing difference between two means, means of two populations are compared.
Work Step by Step
Given above
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 9 - Testing the Difference Between Two Means, Two Proportions, and Two Variances - 9-1 Testing the Difference Between Two Means: Using the z Test - Exercises 9-1 - Page 494: 1
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