Here is data with y as the response variable. X y 21.2 17.2 29.1 24.7 25.1 54 13.2 -30.9 27.7 37.1 30.5 66.9 19.8 41.8 -47.4 -6.9 15.8 2.1 26.8 46.5 24.3 66.4 a. Make a scatter plot of this data. Which point is an outlier? Enter as an ordered pair, e.g., (x,y). (x, y) = (-47.4,-6.90 b. Find the regression equation for the data set without the outlier. Enter the equation of the form mx + b rounded to three decimal places. Ушо = -0.774x+15.9 x c. Find the regression equation for the data set with the outlier. Enter the equation of the form rounded to three decimal places. 110el | ⇓ ŷw = พ d. Is this outlier an influential point? Yes, the outlier appears to be an influential point. No, the outlier does not appear to be an influential point. من

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Question

B and C is incorrect

Here is data with y as the response variable.
X
y
21.2 17.2
29.1
24.7
25.1
54
13.2
-30.9
27.7 37.1
30.5 66.9
19.8 41.8
-47.4 -6.9
15.8
2.1
26.8
46.5
24.3
66.4
a. Make a scatter plot of this data. Which point is an
outlier? Enter as an ordered pair, e.g., (x,y).
(x, y)
=
(-47.4,-6.90
b. Find the regression equation for the data set without
the outlier. Enter the equation of the form mx + b
rounded to three decimal places.
Ушо
=
-0.774x+15.9 x
c. Find the regression equation for the data set with the
outlier. Enter the equation of the form
rounded to three decimal places.
110el | ⇓
ŷw
=
พ
d. Is this outlier an influential point?
Yes, the outlier appears to be an influential
point.
No, the outlier does not appear to be an
influential point.
من
Transcribed Image Text:Here is data with y as the response variable. X y 21.2 17.2 29.1 24.7 25.1 54 13.2 -30.9 27.7 37.1 30.5 66.9 19.8 41.8 -47.4 -6.9 15.8 2.1 26.8 46.5 24.3 66.4 a. Make a scatter plot of this data. Which point is an outlier? Enter as an ordered pair, e.g., (x,y). (x, y) = (-47.4,-6.90 b. Find the regression equation for the data set without the outlier. Enter the equation of the form mx + b rounded to three decimal places. Ушо = -0.774x+15.9 x c. Find the regression equation for the data set with the outlier. Enter the equation of the form rounded to three decimal places. 110el | ⇓ ŷw = พ d. Is this outlier an influential point? Yes, the outlier appears to be an influential point. No, the outlier does not appear to be an influential point. من
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