Use the equation of the line of best fit, y =1.82x+11.36, to answer the questions below. Give exact answers, not rounded approximations. (a) What is the predicted amount of money spent on entertainment for a student who works 10 hours? (b) What is the predicted amount of money spent on entertainment for a student who doesn't work any hours? (c) For an increase of one hour in time worked, what is the predicted increase in the amount of money spent on entertainment?
Use the equation of the line of best fit, y =1.82x+11.36, to answer the questions below. Give exact answers, not rounded approximations. (a) What is the predicted amount of money spent on entertainment for a student who works 10 hours? (b) What is the predicted amount of money spent on entertainment for a student who doesn't work any hours? (c) For an increase of one hour in time worked, what is the predicted increase in the amount of money spent on entertainment?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The scatter plot shows the number of hours worked, x, and the amount of money spent on entertainment, y, by each of 23 students.
55
50
45.
Amount of
40-
money spent on
35
entertainment
30-
Xxx
(in dollars)
25
20-
15+x
10-
5.
10
12
14
16
18
20
22
Number of hours worked
Use the equation of the line of best fit, y=1.82x+11.36, to answer the questions below.
Give exact answers, not rounded approximations.
(a) What is the predicted amount of money spent on
entertainment for a student who works 10 hours?
(b) What is the predicted amount of money spent on
entertainment for a student who doesn't work any hours?
(c) For an increase of one hour in time worked, what is the
predicted increase in the amount of money spent on
entertainmnent?
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