Nelson Industries manufactures a part for a type of aircraft engine that is becoming obsolete. The sales

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Nelson Industries manufactures a part for a type of aircraft engine that is becoming obsolete. The sales history for the last 10 years is as follows:

a. Plot sales versus time.
b. Estimate the regression model for a linear time trend of sales.
c. What is the root-mean-squared error of the linear regression estimates for these 10 years?
d. Using this model, estimate sales for year 11.

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Business Forecasting with Forecast X

ISBN: 978-0073373645

6th edition

Authors: Holton wilson, barry keating, john solutions inc

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Question Posted: Dec 23, 2015 07:07 AM

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Nelson Industries manufactures a part for a type of aircraft engine that is becoming obsolete. The sales

Question:

Year Sales Year Sales 1998 1999 2000 2001 2002 945 875 760 690 545 2003 2004 2005 2006 2007 420 305 285 250 210

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Business Forecasting with Forecast X

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