Topic 7

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 4 participants to fall asleep. The data for this hypothetical study are listed in the following table

Intensity of Light (in watts) Time It Took to Sleep (in minutes)

X Y

5 9

10 17

20 28

40 34

Compute an analysis of regression for this hypothetical study. (Round your answers to two decimal places.)

Source of

Variation SS df MS F_obt

Regression ____ ___ ____ _____

Residual (error) ____ ____ ____

Total ____ ____