A regression analysis is performed using data for 20 single-family homes to predict appraised value (in thousands of dollars) based on land area of the property (in acres), X. and age (in years), X. in month i. Use the results below to complete parts (a) and (b) below. Variable Intercept Area, X, Age, X2 Standard Error 48.16964 450.80604 111.33262 t Statistic 8.35 4.05 Coefficient p-value 0.0000 0.0008 402.03041 -2.34209 0.72078 -3.25 0.0047 b. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model. Choose the correct hypotheses for X, below. OA Ho: P 40 O B. Ho: B,1 H: B,1 OD. Ha: B,1 H: P-0 OC. H: P-0 H: P, 40 Find the test statistic. (Round to two decimal places as needed.) Determine the p-value. p-value -O (Round to four decimal places as needed.) Reach a conclusion. Choose the corect answer below. V Họ. There sufficient evidence that X, makes a significant contribution to the regression model. Choose the correct hypotheses for X, below. OA H: 0 H: 10 OC. Ho: P21 H: 1 OB. Ho: Pz40 OD. Ho: P21
A regression analysis is performed using data for 20 single-family homes to predict appraised value (in thousands of dollars) based on land area of the property (in acres), X. and age (in years), X. in month i. Use the results below to complete parts (a) and (b) below. Variable Intercept Area, X, Age, X2 Standard Error 48.16964 450.80604 111.33262 t Statistic 8.35 4.05 Coefficient p-value 0.0000 0.0008 402.03041 -2.34209 0.72078 -3.25 0.0047 b. At the 0.05 level of significance, determine whether each independent variable makes a significant contribution to the regression model. On the basis of these results, indicate the independent variables to include in this model. Choose the correct hypotheses for X, below. OA Ho: P 40 O B. Ho: B,1 H: B,1 OD. Ha: B,1 H: P-0 OC. H: P-0 H: P, 40 Find the test statistic. (Round to two decimal places as needed.) Determine the p-value. p-value -O (Round to four decimal places as needed.) Reach a conclusion. Choose the corect answer below. V Họ. There sufficient evidence that X, makes a significant contribution to the regression model. Choose the correct hypotheses for X, below. OA H: 0 H: 10 OC. Ho: P21 H: 1 OB. Ho: Pz40 OD. Ho: P21
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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