Use the given data set to complete parts (a) through (c) below. (Use x = 0.05.) 13 9 6 8.74 8.78 6.14 X y 10 9.15 OA. 8 8.14 Click here to view a table of critical values for the correlation coefficient. Ay a. Construct a scatterplot. Choose the correct graph below. 10+ 8- 6- 4- 2- 0- 0 4 8 12 16 T B. Ay 10- 8- 6- 4- 2- 0- 0 11 9.26 ….....….. 4 14 8.09 8 12 16 The linear correlation coefficient is r= (Round to three decimal places as needed.) O C. Ау 4 3.11 10- 8- 6- 4- 2- 0- 0 4 8 12 16 12 9.13 D. Aу 10+ 8- 6- 4- 2- 0- 0 7 7.27 OOOOY 4 5 4.73 8 12 16 b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. D
Use the given data set to complete parts (a) through (c) below. (Use x = 0.05.) 13 9 6 8.74 8.78 6.14 X y 10 9.15 OA. 8 8.14 Click here to view a table of critical values for the correlation coefficient. Ay a. Construct a scatterplot. Choose the correct graph below. 10+ 8- 6- 4- 2- 0- 0 4 8 12 16 T B. Ay 10- 8- 6- 4- 2- 0- 0 11 9.26 ….....….. 4 14 8.09 8 12 16 The linear correlation coefficient is r= (Round to three decimal places as needed.) O C. Ау 4 3.11 10- 8- 6- 4- 2- 0- 0 4 8 12 16 12 9.13 D. Aу 10+ 8- 6- 4- 2- 0- 0 7 7.27 OOOOY 4 5 4.73 8 12 16 b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![Use the given data set to complete parts (a) through (c) below. (Use α = 0.05.)
X
y
10
9.15
A.
Ay
10-
8-
6 + NO
Click here to view a table of critical values for the correlation coefficient.
a. Construct a scatterplot. Choose the correct graph below.
4-
2-
0-
0
8
8.14
U
●
13
8.74
4 8 12 16
✓
U
B.
Ay
10+
9
8.78
8642
+++++
0-
0
11
9.26
14
8.09
4 8 12 16
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
C.
6
6.14
10-
8-
4
3.11
6-
4-
2-
0-
0 4 8 12 16
12
11
9.13
D.
Ay
7
7.27
5
4.73
10-
8-
6-
4-
2-
0-
0 4 8 12 16
b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a
linear correlation between the two variables.
C
Sc
3-
Scre](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F683690b2-0677-4e73-a77c-bea0f0a97f98%2F5dc73aef-94d7-4fc2-96e8-c537c2135803%2Fnlsa6kr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the given data set to complete parts (a) through (c) below. (Use α = 0.05.)
X
y
10
9.15
A.
Ay
10-
8-
6 + NO
Click here to view a table of critical values for the correlation coefficient.
a. Construct a scatterplot. Choose the correct graph below.
4-
2-
0-
0
8
8.14
U
●
13
8.74
4 8 12 16
✓
U
B.
Ay
10+
9
8.78
8642
+++++
0-
0
11
9.26
14
8.09
4 8 12 16
The linear correlation coefficient is r=
(Round to three decimal places as needed.)
C.
6
6.14
10-
8-
4
3.11
6-
4-
2-
0-
0 4 8 12 16
12
11
9.13
D.
Ay
7
7.27
5
4.73
10-
8-
6-
4-
2-
0-
0 4 8 12 16
b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a
linear correlation between the two variables.
C
Sc
3-
Scre
![Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.)
X
y
10
9.15
8
8.14
13
8.74
9
8.78
11
9.26
14
8.09
оо
6
6.14
Click here to view a table of critical values for the correlation coefficient.
4
3.11
12
9.13
7
7.27
Using the linear correlation coefficient found in the previous step, determine whether there is sufficient evidence to
support the claim of a linear correlation between the two variables. Choose the correct answer below.
OA. There is sufficient evidence to support the claim of a linear correlation between the two variables.
OB. There is sufficient evidence to support the claim of a nonlinear correlation between the two variables.
OC. There is insufficient evidence to support the claim of a nonlinear correlation between the two variables.
OD. There is insufficient evidence to support the claim of a linea correlation between the two variables.
A. The scatterplot reveals a distinct pattern that is not a straight-line pattern.
B. The scatterplot reveals a distinct pattern that is a straight-line pattern with positive slope.
OC. The scatterplot reveals a distinct pattern that is a straight-line pattern with negative slope.
OD. The scatterplot does not reveal a distinct pattern.
5
4.73
c. Identify the feature of the data that would be missed if part (b) was completed without constructing the scatterplot.
Choose the correct answer below.
D₂₁
2
Scre
3-0.
Screen
3-0...3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F683690b2-0677-4e73-a77c-bea0f0a97f98%2F5dc73aef-94d7-4fc2-96e8-c537c2135803%2Fskpe4gc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Use the given data set to complete parts (a) through (c) below. (Use a = 0.05.)
X
y
10
9.15
8
8.14
13
8.74
9
8.78
11
9.26
14
8.09
оо
6
6.14
Click here to view a table of critical values for the correlation coefficient.
4
3.11
12
9.13
7
7.27
Using the linear correlation coefficient found in the previous step, determine whether there is sufficient evidence to
support the claim of a linear correlation between the two variables. Choose the correct answer below.
OA. There is sufficient evidence to support the claim of a linear correlation between the two variables.
OB. There is sufficient evidence to support the claim of a nonlinear correlation between the two variables.
OC. There is insufficient evidence to support the claim of a nonlinear correlation between the two variables.
OD. There is insufficient evidence to support the claim of a linea correlation between the two variables.
A. The scatterplot reveals a distinct pattern that is not a straight-line pattern.
B. The scatterplot reveals a distinct pattern that is a straight-line pattern with positive slope.
OC. The scatterplot reveals a distinct pattern that is a straight-line pattern with negative slope.
OD. The scatterplot does not reveal a distinct pattern.
5
4.73
c. Identify the feature of the data that would be missed if part (b) was completed without constructing the scatterplot.
Choose the correct answer below.
D₂₁
2
Scre
3-0.
Screen
3-0...3
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