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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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Jgal Jgal
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A year ago

A regression and correlation analysis resulted in the following information regarding an independent variable (x) and a dependent variable (y).

 

ΣX = 42

ΣY = 63

n = 7

Σ (Y - )(X - ) = 37

Σ (X - )2 = 84

Σ (Y - )2 = 11.7024

Σ (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 α = 0.05.
d.Compute the coefficient of determination.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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jgunn88jgunn88
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A year ago
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Jgal Author
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A year ago
Brilliant ツ
emilyas19
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Yesterday
Smart ... Thanks!
Zacellison
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2 hours ago
Good timing, thanks!
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