Use the following information for questions 1 and 2: In a simple regression anal

Question

Use the following information for questions 1 and 2: In a simple regression analysis based on 30 observations it is found that SSE-2540 and SST-13,870 What is the value of se, the standard error of the estimate? Round your answer to 2 decimal places. 1. 2. Calculate R'. Round your answer to 3 decimal places. Use the following information for questions 3, 4, and 5: The following ANOVA table was obtained when estimating a multiple regression model: p-value of F 9.04E-07 df ANOVA Regression MS F 2 188246.894123.4 35.2 17 45457.3 2674.0 19 233704.1 Residual1 Total 3. How many predictor variables (X variables) are in the model? Calculate of se, the standard error of the estimate. Round your answer to 1 decimal place. 4. 5. Calculate R. Round your answer to 3 decimal places.

Explanation / Answer

1) std error =(SSE/(n-2))1/2 =(2540/28)1/2 =9.52

2) R2 =SSR/SST =1-SSE/SST =(1-2540/13870)=0.817

3)

predictor variable =2 (df for regression

4)se=(MSE)1/2 =51.7

5)R2 =SSR/SST =188246.8/233704.1=0.805

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