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Quiz 07-S19 (Simple Regression) Regression Statistics Multiple 0.797455242 R Square 0.635934863 Adjusted R Square 0.614519267 Standard Error 740353577 Observations ANOVA Regression Residual Total 1 17 18 55 MS Signficance 1562.936197 1562.935197 23.69054079 EOS 952.011171 56.00065712 2614.947368 Coefficients Standard Error Stor value Lower 95 Upper 95 Intercept 83.1680456 3.252131127219 17215 225052 96.OSSOS Hours Spent Playing FIFA 2008 -0.217735304 0.039956512 5.44930545 4.328E-OS _302036185 -0.1344423 1. Based on the Excel output below, what is the correlation coefficient and what does it mean? What is the regression formula for this model? State all variables and draw a rough sketch indicating your answer. 2. Using your t-table, perform a hypothesis test on the independent variable(s) using a 95% CI. Is/are the independent variable(s) significant?
Quiz 07-S19 (Simple Regression) Regression Statistics Multiple 0.797455242 R Square 0.635934863 Adjusted R Square 0.614519267 Standard Error 740353577 Observations ANOVA Regression Residual Total 1 17 18 55 MS Signficance 1562.936197 1562.935197 23.69054079 EOS 952.011171 56.00065712 2614.947368 Coefficients Standard Error Stor value Lower 95 Upper 95 Intercept 83.1680456 3.252131127219 17215 225052 96.OSSOS Hours Spent Playing FIFA 2008 -0.217735304 0.039956512 5.44930545 4.328E-OS _302036185 -0.1344423 1. Based on the Excel output below, what is the correlation coefficient and what does it mean? What is the regression formula for this model? State all variables and draw a rough sketch indicating your answer. 2. Using your t-table, perform a hypothesis test on the independent variable(s) using a 95% CI. Is/are the independent variable(s) significant?
26 May 2023
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