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Chrome File Edit View History Bookmarks People Window Help USF xQuiz: Midterm Exam xMyUSF .G The Bonferroni intervals shoux e Chegg Study | Guided Solutio x Carlos (-? Secure https://usflearn.instructure.com/courses/1281532/quizzes1778034/take USF Question 13 4 pts We are trying to determine, once and for all, if there is a difference between the average GPA of all Female and Male USF students. Data was collected and the following printout was generated. Two-Sample T Tests for GPA by Gender Gender N Female Male SD SE 97 33977 04220 0.0428 110 3.2804 0.4330 0.0413 0.1173 04279 00596 T-Tests for Mean Difference Null Hypothesis difference 0 Alternative Hyp: difference O Lower Upper 95% C.1, Method VariancesDF T Pooled Satterthwaite Unequal 202.9 3.05 00026 0064 0.2989 Homogeneity of Varlances DF F Folded F Test To use the information given on the printout which of the following assumptions would be needed? 95% C.L Equal 205 305 0.0026 0.0641 0.2991 109,96 1.05 0.3992 The GPAs of al male and female USF student populations would need to be approdimately normally distributed The variation in the GPAs for the populations of both male and female students would need to be equal O All of these assumptions would be needed The two samples would need to be randomly and indlependently selected, of the five sales closing techniques. The data on trust levels for all 50 49,296

Explanation / Answer

samples should be independent, normally distributed and variances must be approximately equal. Hence,

All of the options are needed.

Option C is correct.

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