sleep researcher hypothesizes that people who are allowed to sleep for only four hours will score significantly lower than people who are allowed to sleep for eight hours on a cognitive skills test. In an experiment, he brought 14 participants into his sleep lab and randomly assigned them to one of two groups. In one group, participants slept for eight hours and in the other group, participants slept for four hours. The next morning he administered the CAT (Cognitive Ability Test) to all participants.
sleep researcher hypothesizes that people who are allowed to sleep for only four hours will score significantly lower than people who are allowed to sleep for eight hours on a cognitive skills test. In an experiment, he brought 14 participants into his sleep lab and randomly assigned them to one of two groups. In one group, participants slept for eight hours and in the other group, participants slept for four hours. The next morning he administered the CAT (Cognitive Ability Test) to all participants.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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sleep researcher hypothesizes that people who are allowed to sleep for only four hours will score
significantly lower than people who are allowed to sleep for eight hours on a cognitive skills test. In an
experiment, he brought 14 participants into his sleep lab and randomly assigned them to one of two
groups. In one group, participants slept for eight hours and in the other group, participants slept for
four hours. The next morning he administered the CAT (Cognitive Ability Test) to all participants.
(Scores on the CAT range from 1-9 with high scores representing better performance).
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