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 0.05 level of significance. Analysis of Variance Source df SS MS F p Factor 3 41.81 13.94 5.53 0.008 Error 17 42.89 2.52 Total 20 84.70 a. What are the null and alternate hypotheses?

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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 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 0.05 level of significance.
 

Analysis of Variance
Source df SS MS F p
Factor 3 41.81 13.94 5.53 0.008
Error 17 42.89 2.52    
Total 20 84.70      


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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