The data shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. y 100 40 70 11 15 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 12 13 15 60 50 10 90 14 70 10 80 a. Which graph below shows a scatter plot for these data? O A. OB. Oc. OD. Ay 15- Ay 120- Ay 120- 15- 10- 0- 10 10- 120 0- 10 120 There appears to be linear relationship between x and y. b. What is the correlation coefficient? (Round to two decimal places as needed.) r=

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The data shown to the right for the dependent variable, y, and the independent
variable, x, have been collected using simple random sampling.
y
100
11
15
40
a. Construct a scatter plot for these data. Based on the scatter plot, how would
you describe the relationship between the two variables?
b. Compute the correlation coefficient.
12
70
13
60
15
50
10
90
14
70
10
80
a. Which graph below shows a scatter plot for these data?
O A.
Ов.
c.
OD.
Ay
15-
Ay
120-
Ay
120-
15-
10-
0-
10
10-
0-
10
120
15
120
There appears to be
V linear relationship between x and y.
b. What is the correlation coefficient?
r=
(Round to two decimal places as needed.)
Transcribed Image Text:The data shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. y 100 11 15 40 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 12 70 13 60 15 50 10 90 14 70 10 80 a. Which graph below shows a scatter plot for these data? O A. Ов. c. OD. Ay 15- Ay 120- Ay 120- 15- 10- 0- 10 10- 0- 10 120 15 120 There appears to be V linear relationship between x and y. b. What is the correlation coefficient? r= (Round to two decimal places as needed.)
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