30. (continuing to use the information from question 29). What is the coefficient of determination R? [Hint you can compute R? by using the formula, R2=RSS/TSS which the Excel regression output reports.] (a) 0.6207967 (b) 0.6163873 (c) 0.6222574 (d) 0.7821051 SUMMARY OUTPUT Regression Statistics 0.787906548 Multiple R R Square Adjusted R Square 0.616387387 Standard Error 63.61708058 Observations 88 ANOVA df MS F Significance F Regression 1 569801.0753 569801.0753 140.7912919 8.42341E-20 Residual 86 348053.433 4047.132941 Total 87 917854.5083 Standard Error t Stat Upper 95% 60.39081986 Coefficients P-value Lower 95% Intercept 11.20414482 24.74260761 0.452827972 0.651812965 -37.98253022 X Variable 1 (sqrft) 0.140210977 0.011816643 11.86555064 8.42341E-20 0.116720269 0.163701686

30. (continuing to use the information from question 29). What is the coefficient of determination R? [Hint you can compute R? by using the formula, R2=RSS/TSS which the Excel regression output reports.] (a) 0.6207967 (b) 0.6163873 (c) 0.6222574 (d) 0.7821051 SUMMARY OUTPUT Regression Statistics 0.787906548 Multiple R R Square Adjusted R Square 0.616387387 Standard Error 63.61708058 Observations 88 ANOVA df MS F Significance F Regression 1 569801.0753 569801.0753 140.7912919 8.42341E-20 Residual 86 348053.433 4047.132941 Total 87 917854.5083 Standard Error t Stat Upper 95% 60.39081986 Coefficients P-value Lower 95% Intercept 11.20414482 24.74260761 0.452827972 0.651812965 -37.98253022 X Variable 1 (sqrft) 0.140210977 0.011816643 11.86555064 8.42341E-20 0.116720269 0.163701686

Name: Please show workings to obtain answer. 29. [Simple Regression on House
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Description: Please show workings to obtain answer. 29. [Simple Regression on House Price] Consider the following model you wish to estimate by usingthe OLS,Price = a + B sqrft + ɛ,where price is the house price in thousands of dollars and sqrft is size of house

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.3: Least Squares Approximation

Problem 31EQ

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