Answer
two sample t-test for a difference in means.
Work Step by Step
We are interested in the significant difference between two groups' means, thus we use the two sample t-test for a difference in means.
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 27 - One-Way Analysis of Variance: Comparing Several Means - Chapter 27 Exercises - Page 675: 27.43a
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