MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
Use the given data to complete parts (a) and (b) below.
X yo
2.2 3.9
3.8 1.5
2.8 3.5
4.7 4.9
(Round to three decimal places as needed.)
(b) Draw a scatter diagram of the data with the additional data point (10.4.9.3). Choose the correct answer below.
O A.
Ay
124
8-
4-
0-
0
30 1.
C
4 8 12
Q
Q
M
O B.
Ay
12+
8-
4-
0-
0 4
8 12
***
E
OL
O C.
Ay
12-
8-
4
0-
OA. The additional data point strengthens the appearence of a linear association between the data points.
OB. The additional data point weakens the appearence of a linear association between the data points.
OC. The additional data point does not affect the linear correlation coefficient.
Explain why correlations should always be reported with scatter diagrams.
O
Pa
.
4 8 12
Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the five pieces of data is.
(Round to three decimal places as needed.)
Comment on the effect the additional data point has on the linear correlation coefficient.
OA. The scatter diagram is needed to see if the correlation coefficient is being affected by the presence of outliers.
OB. The scatter diagram is needed to determine if the correlation is positive or negative.
OC. The scatter diagram can be used to distinguish between association and causation.
Q
6
G
O D.
Ay
of Igº Ñ.
124
4
0-
0
THU
+++++.
·
+++
4
4 8 12
Q
P
Next
12:47 PM
12/23/2022
expand button
Transcribed Image Text:Use the given data to complete parts (a) and (b) below. X yo 2.2 3.9 3.8 1.5 2.8 3.5 4.7 4.9 (Round to three decimal places as needed.) (b) Draw a scatter diagram of the data with the additional data point (10.4.9.3). Choose the correct answer below. O A. Ay 124 8- 4- 0- 0 30 1. C 4 8 12 Q Q M O B. Ay 12+ 8- 4- 0- 0 4 8 12 *** E OL O C. Ay 12- 8- 4 0- OA. The additional data point strengthens the appearence of a linear association between the data points. OB. The additional data point weakens the appearence of a linear association between the data points. OC. The additional data point does not affect the linear correlation coefficient. Explain why correlations should always be reported with scatter diagrams. O Pa . 4 8 12 Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the five pieces of data is. (Round to three decimal places as needed.) Comment on the effect the additional data point has on the linear correlation coefficient. OA. The scatter diagram is needed to see if the correlation coefficient is being affected by the presence of outliers. OB. The scatter diagram is needed to determine if the correlation is positive or negative. OC. The scatter diagram can be used to distinguish between association and causation. Q 6 G O D. Ay of Igº Ñ. 124 4 0- 0 THU +++++. · +++ 4 4 8 12 Q P Next 12:47 PM 12/23/2022
Use the given data to complete parts (a) and (b) below.
X
ya
2.2 3.9
3.8 1.5
2.8 3.5
4.7 4.9
(a) Draw a scatter diagram of the data. Choose the correct answer below.
O A.
O B.
Ay
Ay
6-
4
2
•HTT
0+
0
LE
H
Ay
12-
8-
4.
.
0
I
L
T
2 4 6
.
Q
Compute the linear correlation coefficient. The linear correlation coefficient for the four pieces of data is
(Round to three decimal places as needed.).
HE
4 8 12
6-
Q
4-
2-
0-
▬
THE
(b) Draw a scatter diagram of the data with the additional data point (10.4.9.3). Choose the correct answer below.
O A.
O B.
Ay
12-
8-
4-
.
Q
0+
0 4 8 12
Q
Q
ON The additional data naint strannthamn the anaAR. of a linnar nonnaintian hahus
OL
OC.
Ау
6
4-
2-
0-
O C.
Aу
0
124
8-
4
0-
naintian hahunan the data nainta
2
•
4
0 4 8
Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the five pieces of data is
(Round to three decimal places as needed.)
Comment on the effect the additional data point has on the linear correlation coefficient.
6
Q
Q
Q
O D.
Ay
12-
8-
4.
6
4-
2-
0-
O D.
Ay
||||
0-
3++
1.
0
1||||||
2
▪
0 4 8
1
4
4
|||||||o
||||||
12
Q
Q
Q
expand button
Transcribed Image Text:Use the given data to complete parts (a) and (b) below. X ya 2.2 3.9 3.8 1.5 2.8 3.5 4.7 4.9 (a) Draw a scatter diagram of the data. Choose the correct answer below. O A. O B. Ay Ay 6- 4 2 •HTT 0+ 0 LE H Ay 12- 8- 4. . 0 I L T 2 4 6 . Q Compute the linear correlation coefficient. The linear correlation coefficient for the four pieces of data is (Round to three decimal places as needed.). HE 4 8 12 6- Q 4- 2- 0- ▬ THE (b) Draw a scatter diagram of the data with the additional data point (10.4.9.3). Choose the correct answer below. O A. O B. Ay 12- 8- 4- . Q 0+ 0 4 8 12 Q Q ON The additional data naint strannthamn the anaAR. of a linnar nonnaintian hahus OL OC. Ау 6 4- 2- 0- O C. Aу 0 124 8- 4 0- naintian hahunan the data nainta 2 • 4 0 4 8 Compute the linear correlation coefficient with the additional data point. The linear correlation coefficient for the five pieces of data is (Round to three decimal places as needed.) Comment on the effect the additional data point has on the linear correlation coefficient. 6 Q Q Q O D. Ay 12- 8- 4. 6 4- 2- 0- O D. Ay |||| 0- 3++ 1. 0 1|||||| 2 ▪ 0 4 8 1 4 4 |||||||o |||||| 12 Q Q Q
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