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A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x = 3.6667, s, = 2.2509, y = 4.3167, s, = 1.7140, and r= - 0.9418, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 1 4 4 6 6 y 5.4 6.8 4.8 4.0 2.3 2.6 (a) Choose the correct graph below. O A. VB. Oc. OD. Ay 7- Ay Ay Ay 7- 0- 0- 0+ There appears to be a linear, negative relationship. (b) y =x+ (O) (Round to three decimal places as needed.)

A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x = 3.6667, s, = 2.2509, y = 4.3167, s, = 1.7140, and r= - 0.9418, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 1 4 4 6 6 y 5.4 6.8 4.8 4.0 2.3 2.6 (a) Choose the correct graph below. O A. VB. Oc. OD. Ay 7- Ay Ay Ay 7- 0- 0- 0+ There appears to be a linear, negative relationship. (b) y =x+ (O) (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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answer last two questions. first is done already. 

 

A data set is given below.
 
​(a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y.
​(b) Given that
x overbar

equals3.6667

​,
s Subscript x

equals2.2509

​,
y overbar

equals4.3167

​,
s Subscript y

equals1.7140

​,

and

requals

negative 0.9418

​,
determine the​ least-squares regression line.
​(c) Graph the​ least-squares regression line on the scatter diagram drawn in part​ (a).
 
x
1
1
4
4
6
6
 
y
5.4
6.8
4.8
4.0
2.3
2.6
A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x = 3.6667, s = 2.2509, y = 4.3167, s, = 1.7140, and r= - 0.9418, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 1 1 4 4 6. 6. 5.4 6.8 4.8 4.0 2.3 2.6 ... (a) Choose the correct graph below. A. D. Ay 7- Ay 7- 7- 7- 0- 0- 0- 0- 6. 6. There appears to be a linear, negative relationship. (b) y = x+ (O (Round to three decimal places as needed.) Help me solve this View an example Get more help - Media - Clear all Check answer -co
Transcribed Image Text:A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x = 3.6667, s = 2.2509, y = 4.3167, s, = 1.7140, and r= - 0.9418, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). 1 1 4 4 6. 6. 5.4 6.8 4.8 4.0 2.3 2.6 ... (a) Choose the correct graph below. A. D. Ay 7- Ay 7- 7- 7- 0- 0- 0- 0- 6. 6. There appears to be a linear, negative relationship. (b) y = x+ (O (Round to three decimal places as needed.) Help me solve this View an example Get more help - Media - Clear all Check answer -co
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