12. A study is conducted concerning automobile speeds and fuel consumption rates. The following data is collected: a. Plot these data in a scatter diagram. Speed MPG 22 44 26 51 48 21 60 28 66 33 61 32 b. Compute the coefficient of correlation. A. D F MPG Speed Y 22 44 26 51 48 21 28 60 33 66 32 61 Total b. c. Determine at the 0.05 significance level whether the correlation in the population is greater than zero. c.

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12. A study is conducted concerning automobile speeds and fuel consumption rates. The following data
is collected:
a. Plot these data in a scatter diagram.
Speed MPG
44
22
51
26
48
21
60
28
33
32
66
61
b. Compute the coefficient of correlation.
A
B
C
D
F
G
MPG
Speed
Y
22
44
26
51
21
48
28
60
33
66
32
61
n
Total
b.
G. Determine at the 0.05 significance level whether the correlation in the
population is greater than zero.
с.
c.
271
Linear Regression and Correlation
Chapter 13
Transcribed Image Text:12. A study is conducted concerning automobile speeds and fuel consumption rates. The following data is collected: a. Plot these data in a scatter diagram. Speed MPG 44 22 51 26 48 21 60 28 33 32 66 61 b. Compute the coefficient of correlation. A B C D F G MPG Speed Y 22 44 26 51 21 48 28 60 33 66 32 61 n Total b. G. Determine at the 0.05 significance level whether the correlation in the population is greater than zero. с. c. 271 Linear Regression and Correlation Chapter 13
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