We are trying to determine, once and for all, if there is a difference between t

Question

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 Mean SD SE Female 97 3.3977 0.4220 0.0428 Male Difference 110 3.2804 0.4330 0.0413 0.1173 0.4279 0.0596 T-Tests for Mean Difference Null Hypothesis: difference o Alternative Hyp: difference O Lower Upper Method Variances DF T P Pooled Satterthwaite Unequal 202.9 3.05 0.0026 00643 0.2989 Homogeneity of Variances DF Folded F Test To use the information given on the printout which of the following assumptions would be needed? 95% CI, 95% C.. Equal 205 3.05 0.0026 0.0641 0.2991 09.96 1.05 0.3992 4 5 6 3

Explanation / Answer

This is Independent samples t test:

The Assumptions for Independent sample t test are :

Answer: All these assumptions would be needed.

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