Question: A psychologist noted that people have more difficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the

A psychologist noted that people have more difficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the light could predict the time it took a sample of four participants to fall asleep. The data for this hypothetical study are listed in the following table. Compute an analysis of regression for this hypothetical study and make a decision to retain or reject the null hypothesis.

Time It Took to Sleep (in minutes) Intensity of Light (in watts) 10 20 40 10 18 30 35

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