Answer
Normal
Work Step by Step
When the t test is used for testing the equality of two means, the populations must be normal
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 - Chapter Quiz - Page 543: 11
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