Stats-Project-ExampleToal-1-1-1 Company A-Z: Analysis of SOS and Sales

Apr 28th, 2015
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DeVry University
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Data was collected over a 12-month period from nine different stores, where seven stores provided both counter and drive thru services and two stores only had counter services. The data was collected in order to test two current assumptions. The first assumption is that the speed of service (SOS) of the drive thru is less than the SOS of the counter. The null hypothesis stated that the mean SOS of drive thru is greater than or equal to the SOS of counter. The alternative hypothesis stated that the drive thru SOS is less than the SOS of the counter. A 95% confidence level was chosen. A two-sample hypotheses test was done and it failed to reject the null hypothesis, which is that the drive thru SOS times is greater than or equal to the counter SOS.

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Company A-Z:Analysis of SOS and SalesDeVry University/Keller Graduate School of ManagementGM533 Applied Managerial StatisticsProfessor Francis ToalFebruary 6, 2010Executive SummaryData was collected over a 12-month period from nine different stores, where seven stores provided both counter and drive thru services and two stores only had counter services. The data was collected in order to test two current assumptions. The first assumption is that the speed of service (SOS) of the drive thru is less than the SOS of the counter. The null hypothesis stated that the mean SOS of drive thru is greater than or equal to the SOS of counter. The alternative hypothesis stated that the drive thru SOS is less than the SOS of the counter. A 95% confidence level was chosen. A two-sample hypotheses test was done and it failed to reject the null hypothesis, which is that the drive thru SOS times is greater than or equal to the counter SOS. The second assumption is that the SOS of the counter and drive thru has a direct impact on sales. A regression test was conducted to evaluate the correlation between the SOS and the amount of sales dollars generate. A 95% confidence level was chosen. The analysis proves that there is a weak correlation between the SOS at the drive thru and sales. The recommendation is that other factors may have a higher impact on sales than SOS and these factors should be explored further.IntroductionThe Company A-Z has nine stores in its Nor

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