Fit a parabolic trend to the following tome – series data and estimate the production in 2022.Year2011201220132014201520162017Production4249627592122158(in '000 units)

Ans . The equation is y=a+bx+cx2 and the normal equations are ∑y=an+b∑x+c∑x2…

Answered: Fit a parabolic trend to the following…

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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Statistics complied by the local department of corrections indicate that x years from now the number of inmates in-country prisons will be increasing at the rate 280e^0.2x per year. Currently, 2,000 inmates are housed in county prisons. How many inmates should the county expect in 10 years?
Suppose that a population that is growing exponentially increases from 800,000 people in 2010 to 1,000,000 people in 2013. Without showing the details, describe how to obtain the exponential growth function that models the data.
Suppose sales for the past 6 months have been100, 90, 84, 113, 92, and 96 Using a smoothing coefficient of 0.5, what is the exponentially smoothed value for the 4th period? (please round your answer to 1 decimal place)
7/10-1/10
Suppose sales for the past 6 months have been82, 104, 107, 116, 92, and 116 Using a smoothing coefficient of 0.5, what is the exponentially smoothed value for the 3rd period? (please round your answer to 1 decimal place)
A=A0e^kt 2006 population (millions) Projected 2029 population (millions) Projected growth rate K 46.5 42.7
The following is a monthly trend equation : Y. = 20 + 2X [Origin : Jan., 1992 ; Convert it into an annual trend equation. X unit = One month ; Y unit = Monthly sales (in '000 $ )
Do not know how to do
18q5Woh4mQxT_QQVL1RKDY"%5.. O A Johnstone, J Bushra Almjareesh - Version A Pre-Calc Module 14 Quiz Google.pdf + 352% nswer Write an equation for the function and label as exponential growth or exponential decay. I (1, 10) (0, 5) 2. If the data below are from an exponential function, what is the value of a? OD e 30 SAMSUNG

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Fit a parabolic trend to the following tome - series data and estimate the production in 2022. Year 2011 2012 2013 2014 2015 2016 2017 Production 42 49 62 75 92 122 158 (in '000 units)