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 from each firm: How many months did you work before receiving a raise in salary? Using the following ANOVA table, is there a difference in the mean number of months before receiving a raise among the four firms? Use the 0.01 level of significance.   Analysis of Variance   Source df SS MS F p Factor 3 28.17 9.39 5.37 0.010 Error 15 26.26 1.75     Total 18 54.43         Required: a. What are the null and alternate hypotheses?   b. What is the test statistic? (Round your answer to 2 decimal places.)   c. What is the p-value? (Round your answer to 3 decimal places.)   d. What is your decision regarding the null hypothesis?   e. Interpret the result.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
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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 from each firm: How many months did you work before receiving a raise in salary? Using the following ANOVA table, is there a difference in the mean number of months before receiving a raise among the four firms? Use the 0.01 level of significance.
 

Analysis of Variance  
Source df SS MS F p
Factor 3 28.17 9.39 5.37 0.010
Error 15 26.26 1.75    
Total 18 54.43      
 


Required:
a.
What are the null and alternate hypotheses?

 


b. What is the test statistic? (Round your answer to 2 decimal places.)

 


c. What is the p-value? (Round your answer to 3 decimal places.)

 


d. What is your decision regarding the null hypothesis?

 


e. Interpret the result.

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