A. Ау Dol of 10 70 G O B. x+ ound to three decimal places as needed) Ay 70+ 10- 10 By hand, determine the least-squares regression line. 70 Q OU O C. Ау 100- 0+ 10 M 70 Q O D. Ay 70- 5° 10+ 0 +

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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(c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below.
O A.
Ay
100-
10
X
70
□
B.
Ay
70-
10+
10
(d) By hand, determine the least-squares regression line.
y = x + (
(Round to three decimal places as needed.)
X
70
C.
AY
100-
0+
10
●
X
70
O D.
Ay
70-
10-
0
X
100
Ly
Transcribed Image Text:(c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. O A. Ay 100- 10 X 70 □ B. Ay 70- 10+ 10 (d) By hand, determine the least-squares regression line. y = x + ( (Round to three decimal places as needed.) X 70 C. AY 100- 0+ 10 ● X 70 O D. Ay 70- 10- 0 X 100 Ly
Complete parts (a) through (h) for the data below.
X 20
y
79
70-
30
75
10+
0
40
71
(a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below.
A.
B.
C.
Ay
100-
y
50
62
100
60
50
y =
X +
(Type integers or simplified fractions.)
Ay
70-
10+
10
(b) Find the equation of the line containing the points (30,75) and (60,50).
X
70
0+
10
●
X
70
Transcribed Image Text:Complete parts (a) through (h) for the data below. X 20 y 79 70- 30 75 10+ 0 40 71 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. A. B. C. Ay 100- y 50 62 100 60 50 y = X + (Type integers or simplified fractions.) Ay 70- 10+ 10 (b) Find the equation of the line containing the points (30,75) and (60,50). X 70 0+ 10 ● X 70
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