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 ............ .......... .... ...... ............ .. ..... .... .... ... .... .. ... .. ... ... ... .... ... ..... ... ... .. ..... hot No ..... .. Yes 1.2 1.8 2.4 3.6 4.2 4.8 easiness Using the empirical rule, calculate between what 2 easiness scores would you expect to find 68% of the "Hotness=No" instructors

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