Econ 203 Hmwk 11

# Econ 203 Hmwk 11 - Graded Homework 11 You have submitted...

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Graded Homework 11 You have submitted this Homework 2 times (including this time). You may submit this Homework a total of 40 times and receive full credit. This quiz covers the introduction to simple linear regression, material that can be found in your course packet on pages 77-81. Question #1 This is the Odometer Reading example on slide 8 (page 78) of your course packet. Notice, however that the price column has different values, so you will get different results than the ones in the course packet. A car dealer wants to find the relationship between the odometer reading and the selling price of used cars. A random sample of 100 cars is selected, and the data recorded. The necessary data is here . Find the regression line. 1. The value of is 36009.45 . 2. The value of is 14822.82 . 3. The value of S x 2 is 43528689.66 . 4. The value of cov(x,y) is ( Note that what excel gives you in a covariance matrix is population covariance and here you need sample covariance. When you get covariance from the excel matrix, multiply it by N and divide by n-1 to get sample

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Econ 203 Hmwk 11 - Graded Homework 11 You have submitted...

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