A psychologist noted that people have mored ifficulty sleeping in a bright room

Question

A psychologist noted that people have mored ifficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the light could ct the time it took a sample of 4 participants to fall asleep. The data for this hypothetical study are listed in the following table. Intensity of Time It Took to Light (in watts) Sleep (in minutes) 10 20 40 17 28 Compute an analysis of regression for this hypothetical study. (Round your answers to two decimal places.) Source of MS Regression Residual (error) Total Make a decision to retain or reject the null hypothesis. (Assume alpha equal to 0.05.) Retain the null hypothesis. Reject the null hypothesis

Explanation / Answer

Retain the Reject The Null Hypothesis

Sources of Variation SS df MS F Regression 317.23 1 317.23 10.61 Residual (Error) 59.77 2 29.89 Total 377 3

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