Example 1 in this section used samples of course evaluations, and the table below lists student evaluations of female professors and male professors (from Data Set 17 "Course Evaluations" in Appendix B). Are the requirements for using the Wilcoxon rank-sum test satisfied? Why or why not?

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Female3.9 3.4 3.7 4.1 3.7 3.5 4.4 3.4 4.8 4.1 2.3 4.2 3.6 4.4 Male3.8 3.4 4.9 4.1 3.2 4.2 3.9 4.9 4.7 4.4 4.3 4.1