3. Fit a straight line trend using the method of least squares and estimate the profits for the year1990.Year:1981198219831984198519861987Profits (Rs 000):57656372697882

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Answered: 3. Fit a straight line trend using the…

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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Short Case:2 Annual sales of Macro company as follows: Year 2016 2017 2018 2019 2020 Sales (in Millions) 200 250 300 350 400 a) Find the trend values for the years 2019 and 2020 by using the method of least squares. b) Estimate the annual sales for the years 2021 and 2022.
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3. Fit a straight line trend using the method of least squares and estimate the profits for the year 1990. Year: 1981 1982 1983 1984 1985 1986 1987 Profits (Rs '000): 57 65 63 72 69 78 82