2. Table below records the quarterly refrigerator sales for the period 2012-2014.Number of1234purchases201246416063201356526672201458567576a) Find the trend equation using the least squares method.b) Forecast the sales for the 1" quarter of 2015.

Year quarter 1 quarter 2 quarter 3 quarter 4 2012 46 41 60 63 2013 56 52 66 72 2014 58 56 75…

Answered: 2. Table below records the quarterly…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2. Table below records the quarterly refrigerator sales for the period 2012-2014. Number of 2 3 purchases 2012 46 41 60 63 2013 56 52 66 72 2014 58 56 75 76 a) Find the trend equation using the least squares method. b) Forecast the sales for the 1" quarter of 2015.