Basic Statistics: Tales of Distributions 10th Edition

Published by Cengage Learning
ISBN 10: 0-49580-891-1
ISBN 13: 978-0-49580-891-6

Chapter 16 - Choosing Tests and Writing Interpretations - Problems: 16.2

Answer

Reaction times are significantly non-normal in this experiment. The distribution is significantly positively skewed. Therefore, we must use a nonparametric test.

Work Step by Step

The same subject is measured under 2 conditions: with alcohol and without alcohol. This is a matched-pair design. We will use the Wilcoxon matched-pairs signed-ranks T test for the analysis of the data
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