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 . . .. ... ... ... .. . ... ... . ..... ... .... ..... ... ... .... .... ..... ... .. ..... ... .. ..... ....0 ..... ... -7 .. .... .... .... ......... ..... ... ...... .. ... .. ..... .. ...... ...... . .... hot No .. .... Yes 1.2 1.8 2.4 3.0 3.6 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