The table shows the numbers of new-vehicle sales (in thousands) in the United States for Company A and Company for 10 years. The equation of the regression line is y = 0.991x + 1,222.81. Complete parts (a) and (b) below. 4,149 3,923 3,566 3,400 3,266 3,076 2,868 2,485 1,952 4,912 4,871 4,827 4,721 4,672 4,474 4,684 3,822 2,956 New-vehicle sales (Company A), X New-vehicle sales (Company B), y ……. (a) Find the coefficient of determination and interpret the result. r2 = 0.821 (Round to three decimal places as needed.) How can the coefficient of determination be interpreted? Se (Round to three decimal places as needed.) 2,066 G 2,754 The coefficient of determination is the fraction of the variation in new-vehicle sales for Company B that can be explained by the variation in new-vehicle sales for Company A and is represented by r2. The remaining fraction of the variation, 1-2, is unexplained and is due to other factors or to sampling error. (b) Find the standard error of estimate se and interpret the result. C (1) More
The table shows the numbers of new-vehicle sales (in thousands) in the United States for Company A and Company for 10 years. The equation of the regression line is y = 0.991x + 1,222.81. Complete parts (a) and (b) below. 4,149 3,923 3,566 3,400 3,266 3,076 2,868 2,485 1,952 4,912 4,871 4,827 4,721 4,672 4,474 4,684 3,822 2,956 New-vehicle sales (Company A), X New-vehicle sales (Company B), y ……. (a) Find the coefficient of determination and interpret the result. r2 = 0.821 (Round to three decimal places as needed.) How can the coefficient of determination be interpreted? Se (Round to three decimal places as needed.) 2,066 G 2,754 The coefficient of determination is the fraction of the variation in new-vehicle sales for Company B that can be explained by the variation in new-vehicle sales for Company A and is represented by r2. The remaining fraction of the variation, 1-2, is unexplained and is due to other factors or to sampling error. (b) Find the standard error of estimate se and interpret the result. C (1) More
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![The table shows the numbers of new-vehicle sales (in thousands) in the United States for Company A and Company B
for 10 years. The equation of the regression line is y = 0.991x + 1,222.81. Complete parts (a) and (b) below.
New-vehicle sales
(Company A), x
New-vehicle sales
(Company B), y
4,149 3,923 3,566 3,400 3,266 3,076 2,868 2,485 1,952 2,066
4,912 4,871 4,827 4,721 4,672 4,474 4,684 3,822 2,956 2,754
(a) Find the coefficient of determination and interpret the result.
r² =
r2
=
0.821
(Round to three decimal places as needed.)
How can the coefficient of determination be interpreted?
The coefficient of determination is the fraction of the variation in new-vehicle sales for Company B that can be
2
explained by the variation in new-vehicle sales for Company A and is represented by
The remaining
fraction of the variation, 1-2, is unexplained and is due to other factors or to sampling error.
s
(b) Find the standard error of estimates and interpret the result.
Se
O
(Round to three decimal places as needed.)
H CH
1
1
✓ ✓
U
I
More
X
Ir](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F251ecf8c-f60f-42ba-a7d7-d6caf946f58f%2Fb025918c-b084-4512-866b-96a25add7a62%2F5isj54sk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The table shows the numbers of new-vehicle sales (in thousands) in the United States for Company A and Company B
for 10 years. The equation of the regression line is y = 0.991x + 1,222.81. Complete parts (a) and (b) below.
New-vehicle sales
(Company A), x
New-vehicle sales
(Company B), y
4,149 3,923 3,566 3,400 3,266 3,076 2,868 2,485 1,952 2,066
4,912 4,871 4,827 4,721 4,672 4,474 4,684 3,822 2,956 2,754
(a) Find the coefficient of determination and interpret the result.
r² =
r2
=
0.821
(Round to three decimal places as needed.)
How can the coefficient of determination be interpreted?
The coefficient of determination is the fraction of the variation in new-vehicle sales for Company B that can be
2
explained by the variation in new-vehicle sales for Company A and is represented by
The remaining
fraction of the variation, 1-2, is unexplained and is due to other factors or to sampling error.
s
(b) Find the standard error of estimates and interpret the result.
Se
O
(Round to three decimal places as needed.)
H CH
1
1
✓ ✓
U
I
More
X
Ir
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 3 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![Elementary Statistics: Picturing the World (7th E…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
![Introduction to the Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman