A professor hypothesizes that sleep and academic achievement are related. To test this. suppose she gives students an exam, and asks them how much sleep they got the night before. She looks to see it exam grades are predicted by amount of sleep. Some of the work has been done for you. This may include additional work that you do not need Participant Sleep Exam [X-MXHY- (3(- ID (hours) Score [X-Mx) (YMy] My) MXF (Y-Mylz 1 5 35 -2.2 -5.6 12.76 4.64 33.64 2 6 66 -1.2 -11.6 14.16 1.44 136.24 3 6 66 1.6 ?.2 12.66 3.24 51.64 4 6 62 6.6 11.2 6.66 6.64 125.44 5 1 65 -6.2 4.2 -6.64 6.64 1?.64 6 1 TB -6.2 -2.6 6.56 6.64 7.84 1' 16 65 2.6 14.2 39.?6 164 261.64 6 6 65 6.6 4.2 3.36 6.64 1?.64 6 6 66 1.6 1?.2 36 .66 3.24 265.64 16 3 43 -4.2 -3?.8 153.?6 1?.64 1426.64 Sum 72 666 6 6 261.4 36.6 2316.6 M v.2 66.6 6 6 26.14 3.66 231.66