A senior accounting major at Midsouth State University has job offers from four

Question

A senior accounting major at Midsouth State University has job offers from four CPA firms. To explore the offers further, she asked a sample of recent trainees how many months each worked for the firm before receiving a raise in salary. The sample information is submitted to MINITAB with the following results: Analysis of Variance Source:

df SS MS F Factor 5 36.47 7.29 2.51

Error 12 34.94 2.91 Total 17 71.41

Reject H0 if F > ._________________ (Round your answer to 2 decimal places.)

At the 0.05 level of significance, is there a difference in the mean number of months before a raise was granted among the four CPA firms? Reject or Do not Reject

Explanation / Answer

F critical value = 3.1059 at 5% los and 5,12 df

In Excel, =F.INV.RT(0.05,5,12)

Reject H0 if F > 3.1059

Here F = 2.51 which is < 3.1059, So we do not reject H0

Thus, we conclude that there is no difference in the mean number of months before a raise was granted among the four CPA firms

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