Using the pairs of values for all 10 points, find the equation of the regression line. b. After removing the point with coordinates (7,1), use the pairs of values for the remaining 9 points and find the equation of the regression line. c. Compare the results from parts (a) and (b). 0 2 4 6 8 10 0 2 4 6 8 10 x y A scatterplot has a horizontal x-scale from 0 to 10 in increments of 1 and vertical y-scale from 0 to 10 in increments of 1. Ten points are plotted with nine points, (1, 7), (2, 7), (3, 7), (1, 8), (2, 8), (2, 8), (3, 8), (1, 9), (2, 9), and (3, 9), forming a square and the tenth point (7, 1) being below and to the right of the square. Question content area bottom Part 1 a. What is the equation of the regression line for all 10 points? y=enter your response here+enter your response herex (Round to three decimal places as needed.) Part 2 b. What is the equation of the regression line for the set of 9 points? y=enter your response here (Round to three decimal places as needed.) Part 3 c. Choose the correct description of the results below. A. There is no regression line for the second case because the data are in a pattern. B. The removal of the point has a significant impact on the regression line. C. The regression line is very similar in both cases. D. The regression line changes, but the change is small.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

a. Using the pairs of values for all 10 points, find the equation of the regression line.
b. After removing the point with coordinates (7,1), use the pairs of values for the remaining 9 points and find the equation of the regression line.
c. Compare the results from parts (a) and (b).
0
2
4
6
8
10
0
2
4
6
8
10
x
y

A scatterplot has a horizontal x-scale from 0 to 10 in increments of 1 and vertical y-scale from 0 to 10 in increments of 1. Ten points are plotted with nine points, (1, 7), (2, 7), (3, 7), (1, 8), (2, 8), (2, 8), (3, 8), (1, 9), (2, 9), and (3, 9), forming a square and the tenth point (7, 1) being below and to the right of the square.
Question content area bottom
Part 1
a. What is the equation of the regression line for all 10 points?
y=enter your response here+enter your response herex (Round to three decimal places as needed.)
Part 2
b. What is the equation of the regression line for the set of 9 points?
y=enter your response here (Round to three decimal places as needed.)
Part 3
c. Choose the correct description of the results below.
A.
There is no regression line for the second case because the data are in a pattern.
B.
The removal of the point has a significant impact on the regression line.
C.
The regression line is very similar in both cases.
D.
The regression line changes, but the change is small.