A senior accounting major at Midsouth State University has job offers from four
ID: 3066238 • Letter: A
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:
What is the decision rule? (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?
O Reject
O Do Not Reject
Analysis of Variance Source df SS MS F P Factor 3 27.88 9.29 5.37 0.133 Error 14 24.21 1.73 Total 17 52.09Explanation / Answer
df numerator = 3
df denominator = 14
Critical F value at 0.05 level is 3.34
Since test statistics > 3.34, we have sufficient evidence to reject H0.
We conclude at 0.05 level that
Reject null hypothesis.
( p value for test statistics is 0.0113)
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