Question

A study was conducted to determine the effects of sleep deprivation on people's ability to solve problems. 10 subjects participated in the study, with 2 at each of 5 sleep deprivation levels (8, 12, 16, 20, and 24 hours). After his or her specified sleep deprivation period, each subject answered simple addition problems and the number of errors was recorded.

A) Fill in the anova table below

Source	df	ss	ms	f
regression
error/residual			6.061
total		126.504

b) If S_xx = 320, find S_xy

S_xy= ___

c) Find the coefficient of determination r² and interpret this value in terms of this problem.

r² = ___

Interpretation:

_______ % of the variation in problem solving or sleep deprivation can be explained by problem solving or sleep deprivation

Answer 1

I have solved all the 3 part showing formulas used.