9 The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below.178No. of absences, xFinal grade, y2488.8 86.0 83.1 80.6 778 73.5 64.1 68.6 65.8 62.9(a) Find the least-squares regression line treating the number of absences, x, as the explanatory variable and the final grade, y, as the response variable.(Round to three decimal places as needed.)(b) Interpret the slope and y-intercept, if appropriate.Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.(Round to three decimal places as needed.)days, on average.O A. For every unit change in the final grade, the number of days absent falls byO B. For zero days absent, the final score is predicted to beO C. For every day absent, the final grade falls byon average.days.O D. For a final score of zero, the number of days absent is predicted to beO E. It is not appropriate to interpret the slope.48°FP Type here to search44114424% The data below represent the number of days absent, x, and the final grade, y, for a sample of college students at a large university. Complete parts (a) through (e) below.* 1 2No. of absences, xFinal grade, y3 456.7 86.88.8 86.0 83.1 80.6 77.8 73.5 64.1 68.6 65.8 62.9Interpret the y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.(Round to three decimal places as needed.)O A. For every day absent, the final grade falls byon average.O B. For zero days absent, the final score is predicted to beO C. For a final score of zero, the number of days absent is predicted to bedays.O D. For every unit change in the final grade, the number of days absent falls bydays, on average.O E. It is not appropriate to interpret the y-intercept.(c) Predict the final grade for a student who misses five class periods and compute the residual. Is the observed final grade above or below average for this number of absences?The predicted final grade is. This observation has a residual of which indicates that the final grade is(Round to one decimal place as needed.)V average.(d) Draw the least-squares regression line on the scatter diagram of the data. Choose the correct graph below.Type here to search

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