The scatter plot shows the time spent studying, x, and the midterm score, y, for each of 23 students. 100+ 90 80 70 Midterm score 60 50 40 xx 30 20 10 2. 4 6 10 12 14 16 18 20 22 Time spent studying (in hours) Use the equation of the line of best fit, y=3.78x+16.88, to answer the questions below. Give exact answers, not rounded approximations. (a) What is the predicted midterm score for a student who doesn't spend any time studying? (b) For an increase of one hour in the time spent studying, what is the predicted increase in the midterm score? (c) What is the predicted midterm score for a student who studies for 12 hours?
The scatter plot shows the time spent studying, x, and the midterm score, y, for each of 23 students. 100+ 90 80 70 Midterm score 60 50 40 xx 30 20 10 2. 4 6 10 12 14 16 18 20 22 Time spent studying (in hours) Use the equation of the line of best fit, y=3.78x+16.88, to answer the questions below. Give exact answers, not rounded approximations. (a) What is the predicted midterm score for a student who doesn't spend any time studying? (b) For an increase of one hour in the time spent studying, what is the predicted increase in the midterm score? (c) What is the predicted midterm score for a student who studies for 12 hours?
ChapterP: Prerequisites
SectionP.6: The Rectangular Coordinate System And Graphs
Problem 2ECP
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