Below are samples of GPAs as earned by a few students in four different majors a

Question

Below are samples of GPAs as earned by a few students in four different majors at DCB. Finance Accounting Management Business Analytics 3.2 3.4 3.6 3.6 2.8 3.8 2.8 3.0 3.2 2.6 2.8 3.4 3.2 3.6 3.4 3.0 The Dean's office decided to conduct a test (5% level of significance) to determine if the sample indicates that there is a significant difference in the GPAs earned by the students in each of the four majors (four treatments). The ANOVA table fo this data is provided below. ANOVA Source of Variation SS dF MS F Between Groups 304.8 3 101.6 0.944238 0.449878 3.490295 Within Groups 1291.2 12 107.6 Total P-value F crit 1596 15 The correct test statistics (formula) for this test would be: O Normal z-distribution calculation O None of the above O F-distribution calculation Chi- square-distribution calculation

Explanation / Answer

hre as we are checking if there is difference in mean GPA earned for four majors

theefore approprate test statistic for this test would be F-distribution calculation

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