Question: 700 Instructors from Ratemyprofessors.com are rated for easiness (a higher number means easier). The instructors are also grouped by hotness (No or Yes) . Minitab


700 Instructors from Ratemyprofessors.com are rated for easiness (a higher number means easier). The instructors are also grouped by "hotness" (No or Yes) . Minitab output is shown below Variable N Mean StDev Minimum Q1 Median Q3 Maximum Hotness=No 440 3. 20 0. 75 1. 2 2.6 3. 2 3. 8 5.0 Hotness=Yes 260 3. 55 0. 64 2.0 3.1 3.6 4.0 4.9 .. ... ... ... DO.. ... ... ..... .. ..... . . ... ... 0.. ... .0 . .. .... 0... ... ... ... ... . .. . . ... ... ... .... .. hot No Yes 1.2 1.8 2.4 3.0 3.6 4.2 4.8 easiness . Calculate the z-score for a "Hotness=Yes" instructor with an easiness rating of 2.9 . Calculate the z-score for a "Hotness=No" instructor with an easiness rating of 2.9 . Which result is more unusual? Explain
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