SUMMARY OUTPUT Multiple R R Square Adjusted R Square Standard Error Observations
ID: 3324626 • Letter: S
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SUMMARY OUTPUT Multiple R R Square Adjusted R Square Standard Error Observations 0.548153794 0.300472582 0.287273952 2.345563717 ANOVA Significance F Regression Residual Total 1 125.2478986 125.2478986 22.76543629 1.47697E-05 53 291.588465 5.501669152 54 416.8363636 Coefficients Standard Error t Stat 6.776758272 0.479912825 14.12081094 1.33336-19 5.814175044 7.739341499 0.031385588 0.006577976 -4.771313896 1.47697E-05 -0.044579337 -0.018191839 Upper 95.0% 7.739 P-value Lower 95% Upper 95% Lower 95.0% Intercept Tenure 5.814 -0.045 -0.018 25. Which of the following would be best analyzed using a matched pairs t-test? Investigate the difference in county fair attendance on sunny versus rainy days. Limit the sample to county fairs in the state of Arkansas. Compare street versus garage parking price for 3 hours in downtown Fayetteville on a Friday night. Randomly assign half of the drivers in your sample to find street parking and the other half to use a parking garage. Investigate the effectiveness of a training program designed to increase running speed. Measure the amount of time to run a half-mile before and after the training program for the same 30 participants Compare quality ratings of hot chocolate using whole milk and skim milk. Serve the first 20 customers skim milk and the next 20 customers whole milk. a. b. C. d.Explanation / Answer
as for matched pair subject for which statistic is measured should be same for both of the groups
therefore option C is correct
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