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A regression and correlation analysis resulted in the following information regarding an independent ...

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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.

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Essentials of Statistics for Business and Economics

Edition: 7th
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