Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 6 recent years are shown. The regression line equation is y′=−27.6720 + 0.99464x. The correlation coefficient is r=0.769. Compute the standard error of the estimate rounded to at least two decimal places, if appropriate. Assume α=0.05. Number of fires x 47 84 62 57 45 72 Number of acres burned y 26 51 15 30 15 62 1) Should the standard error of
Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 6 recent years are shown. The regression line equation is y′=−27.6720 + 0.99464x. The correlation coefficient is r=0.769. Compute the standard error of the estimate rounded to at least two decimal places, if appropriate. Assume α=0.05. Number of fires x 47 84 62 57 45 72 Number of acres burned y 26 51 15 30 15 62 1) Should the standard error of
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 22PFA
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Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 6 recent years are shown. The regression line equation is y′=−27.6720 + 0.99464x. The
Number of fires
x
|
47
|
84
|
62
|
57
|
45
|
72
|
---|---|---|---|---|---|---|
Number of acres burned
y
|
26
|
51
|
15
|
30
|
15
|
62
|
1) Should the standard error of the estimate be calculated? yes or no?
2) Sest =
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