Document X Question 10 - Lab 7 - Connect X *Course Hero X C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%252FI... # [ C Lab 7 i Saved Help Save & Exit Submit Check my work 10 Akiko Hamaguchi is a manager at a small sushi restaurant in Phoenix, Arizona. Akiko is concerned that the weak economic environment has hampered foot traffic in her area, thus causing a dramatic decline in sales. In order to offset the decline in sales, she has pursued a strong advertising campaign. She believes advertising expenditures have a positive influence on sales. To support her 2.66 claim, Akiko estimates the following linear regression model: Sales = 6, + 61Unemployment + 62Advertising + z. A portion of the points regression results is shown in the accompanying table. ANOVA of 55 MS F Significance F eBook Regression 2 72.6374 36. 3187 8.760 0.003 Residual 14 58. 0438 4. 1460 Hint Total 16 130.681 Print Standard Coefficients Error t Stat p-Value References Intercept 17 .5060 3.9817 4.397 0. 007 Unemployment -0. 6879 0.2997 -2. 296 9.038 Advertising 0. 0266 0.0068 3.932 0. 002 a-1. Choose the appropriate hypotheses to test whether the predictor variables jointly influence sales. O Ho: 61 = 62 = 0; HA: At least one 6; 0 O Ho: 61 = 62 = 0; HA: At least one 6; # 0 a-2. Find the value of the appropriate test statistic. Mc Graw O Rain... A9 0(() 4:03 PM Type here to search a M R P 10/31/2022Document X Question 10 - Lab 7 - Connect X *Course Hero X C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%252FI... [ # [ C Lab 7 i Saved Help Save & Exit Submit Check my work 10 a-2. Find we value of the appropriate lest sidusuc. Note: Round your answer to 3 decimal places. Test statistic 2.66 points eBook Hint a-3. At the 5% significance level, do the predictor variables jointly influence sales? Print References O Yes since all t-tests are significant. O Yes since the F-test is significant. O Both answers are correct. b-1. Choose the hypotheses to test whether the unemployment rate is negatively related with sales. Ho: 0; versus HA- Mc Graw O a P Rain... A9 0(() 4:03 PM Type here to search R 10/31/2022Document X Question 10 - Lab 7 - Connect X *Course Hero X C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%252Fl... # [ C Lab 7 i Saved Help Save & Exit Submit Check my work 10 b-2. Find the p-value. O p-value Type here to search O a M R P Rain.. A 9 0(() 4:03 PM 10/31/2022Document X Question 10 - Lab 7 - Connect X *Course Hero X C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fconnect.mheducation.com%252Fconnect%252FI... # [ C Lab 7 i Saved Help Save & Exit Submit Check my work 10 2.66 c-2. Find the p-value. points O p-value O R Rain... A 9 07 () 4:03 PM Type here to search O a M P 10/31/2022