Concept explainers
In exercise 1, the following estimated regression equation based on 10 observations was presented.
Here SST = 6724.125, SSR = 6216.375,
- a. Compute MSR and MSE.
- b. Compute F and perform the appropriate F test. Use α = .05.
- c. Perform a t test for the significance of β1. Use α = .05.
- d. Perform a t test for the significance of β2. Use α = .05.
- 1. The estimated regression equation for a model involving two independent variables and 10 observations follows.
- a. Interpret b1 and b2 in this estimated regression equation.
- b. Predict y when x1 = 180 and x2 = 310.
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Chapter 15 Solutions
Essentials of Statistics for Business and Economics (with XLSTAT Printed Access Card)
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