1. Find a Regression Model for income as a function of age in a Vancouver Island community x, age in years (where x=0 represents age 20) y, median yearly income before tax 22000 5 38000 10 48000 15 62000 20 68000 25 72000 30 74000 35 74000 40 65000 Follow the instructions on page 63 of your text and write the quadratic model: and the value of R? (correlation coefficient): How do we know that the quadratic model is a better correlation than the linear model from Tutorial 2? Discuss why the quadratic model is more logical in this problem context.

1. Find a Regression Model for income as a function of age in a Vancouver Island community x, age in years (where x=0 represents age 20) y, median yearly income before tax 22000 5 38000 10 48000 15 62000 20 68000 25 72000 30 74000 35 74000 40 65000 Follow the instructions on page 63 of your text and write the quadratic model: and the value of R? (correlation coefficient): How do we know that the quadratic model is a better correlation than the linear model from Tutorial 2? Discuss why the quadratic model is more logical in this problem context.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.3: Zeros Of Polynomials

Problem 50E

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