The figure below shows an estimated linear equation with 95% prediction intervals. Assume that the units of x and y are dollars. Complete parts a through d. > 550- 450- 350- 250- 150- (a) Visually estimate the intercept bo and the slope b₁. bo $200 (Round to the nearest hundred as needed.) Visually estimate the slope, b₁. b₁ ≈ 5 (Round to the nearest integer as needed.) (b) Is se (b₁) less than 1, about 1, or more than 1? The standard error of the slope, se (b₁), is 1.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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The figure below shows an estimated linear equation with 95% prediction intervals. Assume that
the units of x and y are dollars. Complete parts a through d.
>
550-
450-
350-
250-
150-
0
20
40
x
….
60
80
C…
(a) Visually estimate the intercept bo and the slope b₁.
bo $200
(Round to the nearest hundred as needed.)
Visually estimate the slope, b₁.
b₁ ≈ 5
(Round to the nearest integer as needed.)
(b) Is se (b₁) less than 1, about 1, or more than 1?
The standard error of the slope, se
(b₁), is
▼1.
Transcribed Image Text:The figure below shows an estimated linear equation with 95% prediction intervals. Assume that the units of x and y are dollars. Complete parts a through d. > 550- 450- 350- 250- 150- 0 20 40 x …. 60 80 C… (a) Visually estimate the intercept bo and the slope b₁. bo $200 (Round to the nearest hundred as needed.) Visually estimate the slope, b₁. b₁ ≈ 5 (Round to the nearest integer as needed.) (b) Is se (b₁) less than 1, about 1, or more than 1? The standard error of the slope, se (b₁), is ▼1.
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