In: Statistics and Probability
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 | 10 |
10 | 18 |
20 | 32 |
40 | 36 |
Compute an analysis of regression for this hypothetical study.
(Round your answers to two decimal places.)
Source
of Variation |
SS | df | MS | Fobt |
---|---|---|---|---|
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.
Above problem is solved using Minitab, Output of Minitab is attached below
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