The Table below summaries to model the relationship between a company sale and the sales for the whole industry. Year Industry Sales (X) Company Sales (Y) ($ million) ($ million) 2002 10 0.5 2003 12 1.0 2004 13 1.0 2005 15 1.4 2006 14 1.3 2007 15 1.6 (a) Find a regression relating company sales to the industry sales. (b) Test for significance of regression using a=0.05. (c) Find a 99% confidence interval for B1

The Table below summaries to model the relationship between a company sale and the sales for the whole industry. Year Industry Sales (X) Company Sales (Y) ($ million) ($ million) 2002 10 0.5 2003 12 1.0 2004 13 1.0 2005 15 1.4 2006 14 1.3 2007 15 1.6 (a) Find a regression relating company sales to the industry sales. (b) Test for significance of regression using a=0.05. (c) Find a 99% confidence interval for B1

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.6: Regression And Median-fit Lines

Problem 17HP

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