Use the following sample data for variables y and x to complete parts a and b y 89 75 87 97 121 84 99 118 126 128 O a. Develop a scatter plot for these data and describe what, if any, relationship exists. b. Compute the correlation coefficient, r. a. Choose the correct graph below. O A. OB. OC. Ay 150- Ay 150- 150- 1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Use the following sample data for variables y and x to complete parts a and b
89
寸
75
3
87
128 O
84
3
99
126
97
4
121
5.
118
9.
y.
a. Develop a scatter plot for these data and describe what, if any, relationship exists.
b. Compute the correlation coefficient, r.
a. Choose the correct graph below.
O A.
OB.
OC.
D.
Ay
150-
Ay
150-
150-
150-
0-
0.
9.
There appears to be
linear relationship between x and y.
b. Compute the correlation coefficient r.
(Round to three decimal places as needed.)
Transcribed Image Text:Use the following sample data for variables y and x to complete parts a and b 89 寸 75 3 87 128 O 84 3 99 126 97 4 121 5. 118 9. y. a. Develop a scatter plot for these data and describe what, if any, relationship exists. b. Compute the correlation coefficient, r. a. Choose the correct graph below. O A. OB. OC. D. Ay 150- Ay 150- 150- 150- 0- 0. 9. There appears to be linear relationship between x and y. b. Compute the correlation coefficient r. (Round to three decimal places as needed.)
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