3) Consider the following time series. Year 1 71 49 58 78 Quarter 1 2 3 4 Year 2 68 41 60 81 Year 3 62 51 53 72 a) Construct a time series plot. What type of pattern exists in the data? b) Use a multiple linear regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data. Qtr1=1 if Quarter 1, 0 otherwise; Qtr2=1 if Quarter 2,0 otherwise; Qtr3=1 if Quarter 3,0 otherwise. c) Compute the quarterly forecast for the next year.

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A: Let the teachers at Albers Elementary school be denoted by A and the teachers at Bothel Elementary…

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A: Given information: μ=151000σ=35000 n=77

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A: Given Information :  Let U be the universal set , where : U = {a,b,c,d,e,f,g,h,i,j}   Let sets A , B…

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A: Given that, the graph of the function is fx=4x and also given that, the function shifted down 6…

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A: A) Since every year, total reserves decrease by 16 billion barrels of oil, therefore: R=2000-16t,…

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A: Since you have asked multiple questions in a single request, we will be answering only the first…

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A: From the given function: plot  f(x)=3 from -∞<x≤-2 plot  f(x)=-2x-1 from x>-2  to x≤1   x…

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A: The following is the formulae to calculate Weighted Average (W)…

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A: Given: P0=15800, r=5% we know that if initial population is P0 and annual growth rate is r% per year…

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A: Let the graph is obtained from the graph of x2  by shifting h units to the right and  k units upward…