Essay
A regression and correlation analysis resulted in the following information regarding an independent variable (x) and a dependent variable (y).
X = 42
(Y - )(X -
) = 37
Y = 63
(X - )2 = 84
n = 7
(Y - )2 = 28
a.Develop the least squares estimated regression equation.
b.At 95% confidence, perform a t test and determine whether or not the slope is significantly different from zero.
c.Perform an F test to determine whether or not the model is significant. Let = 0.05.
d.Compute the coefficient of determination.
Correct Answer:

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= 6.3571 + 0.440...View Answer
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Correct Answer:
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