The five observations below show the results of a medical study examining the effect of limited sleep
Question:
The five observations below show the results of a medical study examining the effect of limited sleep on reflexes for a sample of five college students. The first column of the table shows x, a student‘s hours of sleep the night before taking a basic reflex test. The second column shows y, the test score for each of the students.
Applying the least squares criterion produces the estimated regression equation y ˆ = 260 + 24x.
a. For the situation described here, fill in the ANOVA table below:
b. Is there sufficient sample evidence to indicate a useful linear relationship between sleep and test score at the 5% significance level? Explain.
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Hours of Sleep x Test Score y y 2 2 2 310 308 4 5184 3 300 332 1024 2304 5 420 380 1...View the full answer
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Related Book For 
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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