A sociologist is interested in the relation between x = number of job changes and y = annual salary (in thousands of dollars) for people living in the Nashville area. A random sample of 10 people employed in Nashville provided the following information. x (number of job changes) 5 3 6 6 1 5 9 10 10 3 y (Salary in $1000) 36 37 34 32 32 38 43 37 40 33 (d) If someone had x = 2 job changes, what does the least-squares line predict for y, the annual salary? (Round your answer to two decimal places.) thousand dollars thousand dollars

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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A sociologist is interested in the relation between x = number of job changes and y = annual salary (in thousands of dollars) for people living in the Nashville area. A random sample of 10 people employed in Nashville provided the following information.

x (number of job changes) 5 3 6 6 1 5 9 10 10 3
y (Salary in $1000) 36 37 34 32 32 38 43 37 40 33


(d) If someone had x = 2 job changes, what does the least-squares line predict for y, the annual salary? (Round your answer to two decimal places.)
thousand dollars


thousand dollars
 
 

 

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