A) Find a 90% confidence interval for the slope of the regression line of %Body Fat on Waist.
1 answer:
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Answer:
(x) =
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 2x + 1 ( subtract 1 from both sides )
y - 1 = 2 ( divide both sides by 2 )
= x
Change y back into terms of x and let x = (x), thus
(x ) =
Answer:
<h2>A = 82.5 in²</h2>Step-by-step explanation:
The formula of an area of a trapezoid:
b₁, b₂ - bases
h - height
We have b₁ = 10in, b₂ = 5in and h = 11in. Substitute: