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Question 8
Homework: Module 12 - Multiple Regression Save Score: 0 of 1 pt 8 of 22 (18 complete) HW Score: 76.46%, 16.82 of 22 pts Instructor-created question Question Help A regression analysis is performed using data for 22 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), X2;, in month i. Use the results below to complete parts (a) and (b) below. Standard Variable Coefficient Error t Statistic p-value Intercept 394.31353 46.28478 8.52 0.0000 Area, X1 446.05992 107.44109 4.15 0.0005 Age, X2 - 2.42607 0.71966 - 3.37 0.0032 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. O A. Ho: By = 1 OB. Ho: By # 1 Hy : By # 1 Hy : By = 1 O C. Ho : By # 0 OD. Ho : By = 0 Hy : B1 = 0 Hy : B1 0 Find the test statistic. STAT = (Round to two decimal places as needed.) Determine the p-value. p-value = (Round to four decimal places as needed.)Homework. Module 12 - Multiple Regression Save Score: 0 of 1 pt 8 of 22 (18 complete) HW Score: 76.46%, 16.82 of 22 pts Instructor-created question Question Help A regression analysis is performed using data for 22 single-family homes to predict appraised value (in thousands of dollars) based on land area of the property (in acres), X1;, and age (in years), X2;, in month i. Use the results below to complete parts (a) and (b) below. Standard Variable Coefficient Error t Statistic p-value Intercept 394.31353 46.28478 3.52 0.0000 Area, X1 446.05992 107.44109 4.15 0.0005 Age, X2 - 2.42607 0.71966 - 3.37 0.0032 Reach a conclusion. Choose the correct answer below. Ho. There sufficient evidence that X, makes a significant contribution to the regression model. Choose the correct hypotheses for X2 below. O A. HO: P2 = 1 OB. Ho: B2 # 0 Hy : B2 # 1 Hy : B2 = 0 O C. Ho: B2 # 1 OD. Ho: P2 = 0 Hy : B2 = 1 Hy : B2 # 0 Find the test statistic. (STAT = (Round to two decimal places as needed.) Determine the p-value. p-value =| |Homework: Module 12 - Multiple Regression Save Score: 0 of 1 pt 8 of 22 (18 complete) HW Score: 76.46%, 16.82 of 22 pt Instructor-created question Question Help A regression analysis is performed using data for 22 single-family homes to predict appraised value (in thousands of dollars) based on land area of the property (in acres), X1;, and age (in years), X2;, in month i. Use the results below to complete parts (a) and (b) below. Standard Variable Coefficient Error t Statistic p-value Intercept 394.31353 46.28478 8.52 0.0000 Area, X1 446.05992 107.44109 4.15 0.0005 Age, X2 -2.42607 0.71966 - 3.37 0.0032 STAT = (Round to two decimal places as needed.) Determine the p-value. p-value = (Round to four decimal places as needed.) Reach a conclusion. Choose the correct answer below. Ho. There sufficient evidence that X2 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 answer below. O A. Include neither variable X, nor variable X2 O B. Include both variables X, and X2. O C. Include only the variable X1. O D. Include only the variable X2
