The Costello Music Company has been in business for five years. During that time, the sales of

Question:

The Costello Music Company has been in business for five years. During that time, the sales of electric organs have grown from 12 units in the first year to 76 units in the most recent year. Fred Costello, the firm’s owner, wants to develop a forecast of organ sales for the coming year based on the historical data shown.


The Costello Music Company has been in business for five


a. Graph this time series. Does a linear trend appear?
b. Develop the equation for the linear trend component for the time series. What is the average increase in sales per year for thefirm?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Modern Business Statistics With Microsoft Excel

ISBN: 9781337115186

6th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

Question Posted: