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?
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?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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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