The following data were collected during a study of consumer buying patterns: Observation Observation 1 11 30 77 8. 23 78 77 9 10 69 44 82 10 19 70 34 84 11 23 87 47 92 12 19 90 42 93 13 32 91 32 79 b. Obtain a linear regression line for the data. (Round your intermediate calculations and final answers to 3 decimal places.) y= c. What percentage of the variation is explained by the regression line? (Do not round intermediate calculations. Round your answer to the nearest whole percent. Omit the "%" sign in your response.) Approximately % of the variation in the dependent variable is explained by the independent variable. d. Use the equation determined in part b to predict the expected value of y for x= 43. (Round your intermediate calculations and final answers to 3 decimal places.) %3D

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The following data were collected during a study of consumer buying patterns:
Observation
Observation
1
11
30
77
8.
23
78
77
9
10
69
44
82
10
19
70
34
84
11
23
87
47
92
12
19
90
42
93
13
32
91
32
79
b. Obtain a linear regression line for the data. (Round your intermediate calculations and final answers to 3 decimal places.)
y=
c. What percentage of the variation is explained by the regression line? (Do not round intermediate calculations. Round your answer
to the nearest whole percent. Omit the "%" sign in your response.)
Approximately
% of the variation in the dependent variable is explained by the independent variable.
d. Use the equation determined in part b to predict the expected value of y for x= 43. (Round your intermediate calculations and
final answers to 3 decimal places.)
%3D
Transcribed Image Text:The following data were collected during a study of consumer buying patterns: Observation Observation 1 11 30 77 8. 23 78 77 9 10 69 44 82 10 19 70 34 84 11 23 87 47 92 12 19 90 42 93 13 32 91 32 79 b. Obtain a linear regression line for the data. (Round your intermediate calculations and final answers to 3 decimal places.) y= c. What percentage of the variation is explained by the regression line? (Do not round intermediate calculations. Round your answer to the nearest whole percent. Omit the "%" sign in your response.) Approximately % of the variation in the dependent variable is explained by the independent variable. d. Use the equation determined in part b to predict the expected value of y for x= 43. (Round your intermediate calculations and final answers to 3 decimal places.) %3D
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