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.)
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.)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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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 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 | 39.56 | 13.19 | 9.77 | 0.001 |
Error | 15 | 20.26 | 1.35 | ||
Total | 18 | 59.82 |
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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