Listed below are student evaluation scores of female professors and male professors from Data Set 17 "Course Evaluations" in Appendix B. Test the claim that female professors and male professors have the same mean evaluation ratings. Does there appear to be a difference?

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PROF COURSE EVAL PROF EVAL PROF GENDER PROF AGE SIZE PROF BEAUTY PROF PHOTO CLASS LEVEL 4.3 4.5 3.7 4.3 4.4 4.7 4.6 4.1 4.5 4.8 color color color color color 2 upper 17 3.000 3.333 3.167 7.333 upper 40 4.8 3.5 4.0 3.7 4.3 3.4 4.5 4.9 3.4 4.8 2.9 4.4 3.6 4.3 Females 4.4 4.6 4.1 4.1 3.5 4.0 Males