The scatter plot shows the time spent studying, x, and the quiz score, y, for each of 23 students. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the quiz score for a student who spent 60 minutes studying. Note that you can use the graphing tools to help you approximate the line. y 100 90 80 70 Quiz score 60+ 50 x 40 x 30 x x x 20 10 X x ++++ * × xx 0 10 20 30 40 50 60 70 80 90 100 Time spent studying (in minutes) ☑ (a) Write an approximate equation of the line of best fit. y (b) Using your equation from part (a), predict the quiz score for a student who spent 60 minutes studying.
The scatter plot shows the time spent studying, x, and the quiz score, y, for each of 23 students. (a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit. (b) Using your equation from part (a), predict the quiz score for a student who spent 60 minutes studying. Note that you can use the graphing tools to help you approximate the line. y 100 90 80 70 Quiz score 60+ 50 x 40 x 30 x x x 20 10 X x ++++ * × xx 0 10 20 30 40 50 60 70 80 90 100 Time spent studying (in minutes) ☑ (a) Write an approximate equation of the line of best fit. y (b) Using your equation from part (a), predict the quiz score for a student who spent 60 minutes studying.
Chapter3: Graphs And Functions
Section3.3: Find The Equation Of A Line
Problem 3.61TI: Find an equation of a line perpendicular to the line y=3x+1 that contains the point (4,2) . Write...
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Transcribed Image Text:The scatter plot shows the time spent studying, x, and the quiz score, y, for each of 23 students.
(a) Write an approximate equation of the line of best fit for the data. It doesn't have to be the exact line of best fit.
(b) Using your equation from part (a), predict the quiz score for a student who spent 60 minutes studying.
Note that you can use the graphing tools to help you approximate the line.
y
100
90
80
70
Quiz score
60+
50
x
40
x
30
x
x
x
20
10
X
x
++++
*
×
xx
0
10
20
30 40
50
60 70 80 90 100
Time spent studying (in minutes)
☑
(a) Write an approximate equation of the line of best fit.
y
(b) Using your equation from part (a), predict the quiz score
for a student who spent 60 minutes studying.
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