Statistics Problems - 10

6/6/2019 Assignment Print View

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7. Award: 0.20 points    

A regression analysis relating the current market value in dollars to the size in square feet of homes in Greene County, Tennessee, follows. The regression equation is: Value = –37,186 + 65.0 Size.

Predictor Coef SE Coef T P Constant −37186 4629 −8.03 0.000 Size 64.993 3.047 21.33 0.000

Analysis of Variance Source DF SS MS F P Regression 1 13548662082 13548662082 454.98 0.000 Residual Error 33 982687392 29778406 Total 34 14531349474

d. Compute the correlation coefficient. (Round your answer to 2 decimal places.)

Coefficient of correlation

References

Worksheet Learning Objective: 13-02 Calculate a correlation coefficient to test and interpret the relationship between two variables.

Learning Objective: 13-04 Evaluate the significance of the slope of the regression equation.

Difficulty: 2 Intermediate

Learning Objective: 13-03 Apply regression analysis to estimate the linear relationship between two variables.

Learning Objective: 13-05 Evaluate a regression equations ability to predict using the standard estimate of the error and the coefficient of determination.