Statistical Testing
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...the mean daily expenses are greater the sales staff than the audit staff. This is a comparison between two individual groups. The hypothesis we will be testing (the H1) is that the mean daily expenses are higher for the sales staff in the audit staff. The null hypotheses (the (H0) is that the mean daily expenses for the sales staff are not higher than the audit staff.
Where there are two unrelated samples that are being assessed on a single variable the most appropriate test is that of a t-test (Dancey and Reidy, 2002). Therefore, we will look at the averages for both groups and will also perform a t-test. When using the t-test we will be trying to prove the null hypothesis, it is only we can reject the null hypothesis that the hypothesis will be accepted.
SalesAudit 131 ...
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