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The following data show the results of an aptitude test (Y)and the grade point average of 10 students.
a.Develop a least squares estimated regression line.
b.Compute the coefficient of determination and comment on the strength of the regression relationship.
c.Is the slope significant? Use a t test and let = 0.05.
d.At 95% confidence,test to determine if the model is significant (i.e. ,perform an F test).
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