QUESTION 8Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: QuarterSeasonal IndexQ174.1Q284.2Q3105.4 Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4. Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below: CoefficientsIntercept2,404Time64.3 What is the forecast for period 98, if period 98 is a Q3? (please round your answer to 1 decimal place)

Answered: Suppose the following are the seasonal…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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QUESTION 8

Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series:

Quarter	Seasonal Index
Q1	74.1
Q2	84.2
Q3	105.4

Remember that the seasonal indices should average 100 so you should be able to infer the seasonal index for Q4.

Furthermore, suppose that the estimated coeffcients from a regression of the deseasonalized series on Time are given below:

	Coefficients
Intercept	2,404
Time	64.3

What is the forecast for period 98, if period 98 is a Q3? (please round your answer to 1 decimal place)

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