Choose the dependent variable (the response variable to be explained) and the independent variable (the predictor...
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Choose the dependent variable (the response variable to be "explained") and the independent variable (the predictor or explanatory variable). (a-1) Dependent Variable Website Hits Weekly Revenue O (a-2) Independent Variable O Weekly Revenue Website Hits O (b) Obtain the regression equation. (Negative values should be indicated by a minus sign. Round your answers to 4 decimal places.) Y = X+ (c) Calculate R?. (Round your answer to 4 decimal places.) R2 (d-1) Zero is contained in the 95% confidence interval. O No Yes O (d-2) The slope is different from zero. (d-2) The slope is different from zero. O No O O Yes (e) Calculate the degrees of freedom and t-critical for a two-tailed ttest for zero slope at a = .05. (Round your answers to 2 decimal places.) Degrees of freedom t - critical (f-1) Small p-values tell us the null hypothesis is false. O Yes O O No (f-2) The sample provides significant evidence that the slope is positive. O No O O Yes ĮRestaurant Revenue and Website Hits (n = 10 restaurants) Web Hits Revenue 1213 $12,113 LearningStats 1490 11,409 Copyright © 2019 by The McGraw-HillI Companies 1365 14,579 11,605 12,308 1455 1269 1632 This spreadsheet is intended solely for educational purposes by licensed users of Connect 12,320 1323 13,225 1865 13,652 1590 13,893 1878 13,896 Note: Data are for one week. Choose the dependent variable (the response variable to be "explained") and the independent variable (the predictor or explanatory variable). (a-1) Dependent Variable Website Hits Weekly Revenue O (a-2) Independent Variable O Weekly Revenue Website Hits O (b) Obtain the regression equation. (Negative values should be indicated by a minus sign. Round your answers to 4 decimal places.) Y = X+ (c) Calculate R?. (Round your answer to 4 decimal places.) R2 (d-1) Zero is contained in the 95% confidence interval. O No Yes O (d-2) The slope is different from zero. (d-2) The slope is different from zero. O No O O Yes (e) Calculate the degrees of freedom and t-critical for a two-tailed ttest for zero slope at a = .05. (Round your answers to 2 decimal places.) Degrees of freedom t - critical (f-1) Small p-values tell us the null hypothesis is false. O Yes O O No (f-2) The sample provides significant evidence that the slope is positive. O No O O Yes ĮRestaurant Revenue and Website Hits (n = 10 restaurants) Web Hits Revenue 1213 $12,113 LearningStats 1490 11,409 Copyright © 2019 by The McGraw-HillI Companies 1365 14,579 11,605 12,308 1455 1269 1632 This spreadsheet is intended solely for educational purposes by licensed users of Connect 12,320 1323 13,225 1865 13,652 1590 13,893 1878 13,896 Note: Data are for one week.
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Related Book For
Business Statistics a decision making approach
ISBN: 978-0133021844
9th edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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