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Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -523.9203 2212.05

ID: 3058464 • Letter: C

Question

Coefficients:

                            Estimate Std. Error t value Pr(>|t|)   

(Intercept)    -523.9203 2212.0523 -0.237   0.8138   

MEDHVL          67.1338    33.2363   2.020   0.0492 *

PRCRENT     -116.8756    72.6274 -1.609   0.1144   

POP                 0.6520     0.0667   9.775 8.36e-13 ***

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Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 3631 on 46 degrees of freedom

Multiple R-squared: 0.8115,    Adjusted R-squared: 0.7992

F-statistic: 66.01 on 3 and 46 DF, p-value: < 2.2e-16

1. Perform t-test for each regression Coefficient in your model.

2.Perform F-test to test the overall significance of the regression. Comment on the adequacy of the model.

Explanation / Answer

Coefficients:

                            Estimate Std. Error t value Pr(>|t|)   

(Intercept)    -523.9203 2212.0523 -0.237   0.8138   

MEDHVL          67.1338    33.2363   2.020   0.0492 *

PRCRENT     -116.8756    72.6274 -1.609   0.1144   

POP                 0.6520     0.0667   9.775 8.36e-13 ***

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Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 3631 on 46 degrees of freedom

Multiple R-squared: 0.8115,    Adjusted R-squared: 0.7992

F-statistic: 66.01 on 3 and 46 DF, p-value: < 2.2e-16

1. Perform t-test for each regression Coefficient in your model.

2.Perform F-test to test the overall significance of the regression. Comment on the adequacy of the model.