Online Sales of Used Autos The amount (in millions of dollars) of used autos sold online in a certain country is expected to grow in accordance with the figures gives in the following table (x 0 corresponds to 2011). 0 PM 1 2 Year, x Sales, y 12.8 13.9 14.75 15.15 15.75 (a) Find an equation of the least-squares line for these data. x 3 4 (b) Use the result of part (a) to estimate the sales of used autos online in 2016, assuming that the predicted trend continued. x million
Online Sales of Used Autos The amount (in millions of dollars) of used autos sold online in a certain country is expected to grow in accordance with the figures gives in the following table (x 0 corresponds to 2011). 0 PM 1 2 Year, x Sales, y 12.8 13.9 14.75 15.15 15.75 (a) Find an equation of the least-squares line for these data. x 3 4 (b) Use the result of part (a) to estimate the sales of used autos online in 2016, assuming that the predicted trend continued. x million
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 5PPS
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![Online Sales of Used Autos The amount (in millions of dollars) of used autos sold online in a certain country is expected to grow in accordance with the figures given in the following
table (x 0 corresponds to 2011).
0
12.8
y
1
2
13.9
Year, x
Sales, y
15.75
(a) Find an equation of the least-squares line for these data.
x
3
4
14.75 15.15
(b) Use the result of part (a) to estimate the sales of used autos online in 2016, assuming that the predicted trend continued.
x
million](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F478de3bb-3c11-4d76-849c-deec71a238c3%2Fed7adf12-6886-4a57-9099-af71b41ef1a7%2Fpxb26n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Online Sales of Used Autos The amount (in millions of dollars) of used autos sold online in a certain country is expected to grow in accordance with the figures given in the following
table (x 0 corresponds to 2011).
0
12.8
y
1
2
13.9
Year, x
Sales, y
15.75
(a) Find an equation of the least-squares line for these data.
x
3
4
14.75 15.15
(b) Use the result of part (a) to estimate the sales of used autos online in 2016, assuming that the predicted trend continued.
x
million
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