Suppose that a firm had the following profit and investment expenditures in each year from 2013- 2021. Years 2013 2014 2015 2016 2017 2018 2019 2020 2021 Profits (S millions) X 55 48 46 43 24 53 55 63 65 Investment Expenditure (S thousand) Y 45 47 35 31 28 53 50 50 61 a) Construct a scatter plot diagram and comment on the relationship between y and x b) Calculate the correlation coefficient (r) between x and y and comment on the result. %3D
Suppose that a firm had the following profit and investment expenditures in each year from 2013- 2021. Years 2013 2014 2015 2016 2017 2018 2019 2020 2021 Profits (S millions) X 55 48 46 43 24 53 55 63 65 Investment Expenditure (S thousand) Y 45 47 35 31 28 53 50 50 61 a) Construct a scatter plot diagram and comment on the relationship between y and x b) Calculate the correlation coefficient (r) between x and y and comment on the result. %3D
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
![Suppose that a firm had the following profit and investment expenditures in each year from 2013-
2021.
Years
2013
2014
2015
2016
2017
2018
2019
2020 2021
Profits ($ millions) X
55
48
46
43
24
53
55
63
65
Investment Expenditure ($ thousand) Y
45
47
35
31
28
53
50
50
61
a) Construct a scatter plot diagram and comment on the relationship between y and x
b) Calculate the correlation coefficient (r) between x and y and comment on the result.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fda2d0966-b607-4de5-a88e-80081a20ee22%2Fc49e6d3a-6e04-46d7-bf78-69ec0ebaf87f%2Fnvurmsj_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose that a firm had the following profit and investment expenditures in each year from 2013-
2021.
Years
2013
2014
2015
2016
2017
2018
2019
2020 2021
Profits ($ millions) X
55
48
46
43
24
53
55
63
65
Investment Expenditure ($ thousand) Y
45
47
35
31
28
53
50
50
61
a) Construct a scatter plot diagram and comment on the relationship between y and x
b) Calculate the correlation coefficient (r) between x and y and comment on the result.
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