X 6 11 Y 6 9 scatter diagram for these data 15 6 21 17 27 12
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![1
Question 1
Five observations taken for two variables follow.
X
6
11
15
21
27
Y
6
9
6
17
12
a. Develop a scatter diagram for these data.
b. What does the scatter diagram indicate about a relationship between x and y?
c. Compute the sample covariance.
d. Compute and interpret the sample correlation coefficient S
e. Generate a line of best-fit (by hand) in your diagram in question 1(a) and determine an
estimate of Y when X is 15. (](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F074163f0-1240-477f-b22d-75b10eb6eb74%2F15f34787-2f2a-4e74-89a1-0ae2d42f6e1d%2Fmpcv8d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1
Question 1
Five observations taken for two variables follow.
X
6
11
15
21
27
Y
6
9
6
17
12
a. Develop a scatter diagram for these data.
b. What does the scatter diagram indicate about a relationship between x and y?
c. Compute the sample covariance.
d. Compute and interpret the sample correlation coefficient S
e. Generate a line of best-fit (by hand) in your diagram in question 1(a) and determine an
estimate of Y when X is 15. (
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Follow-up Question
D.Compute and interpret the sample
e. Generate a line of best fit in diagram a and determine an estimate of Y when X is 5
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