The cost of a leading liquid laundry detergent in different sizes is given below. Size (ounces) Cost ($) 16 3.59 32 4.39 64 5.19 200 10.19 Calculate the least squares line. Put the equation in the form of:  ŷ = a + bx.  (Round your answers to three decimal places.) ŷ =  +  x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 37E
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The cost of a leading liquid laundry detergent in different sizes is given below.

Size (ounces) Cost ($)
16 3.59
32 4.39
64 5.19
200 10.19

Calculate the least squares line. Put the equation in the form of: 

ŷ = a + bx.

 (Round your answers to three decimal places.)
ŷ =  +  x

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