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 10 15 140 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. 11 110 13 130 14 150 11 120 15 170 12 140

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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
10
15
140
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.
11
110
13 130
14 150
11 120
15 170
12 140
a. Which graph below shows a scatter plot for these data?
O A.
OB.
OC.
OD.
15-
180-
180-
15-
10-
10-
180
10
15
10
180
There appears to be
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 10 15 140 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. 11 110 13 130 14 150 11 120 15 170 12 140 a. Which graph below shows a scatter plot for these data? O A. OB. OC. OD. 15- 180- 180- 15- 10- 10- 180 10 15 10 180 There appears to be linear relationship between x and y. b. What is the correlation coefficient? r= (Round to two decimal places as needed.)
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