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.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.4: Writing And Graphing Equations Of Lines
Problem 77E: Find the equation of the line perpendicular to the line y=3 and passing through the midpoint of the...
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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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