Please show work. Thank you!! QUESTION 29 Suppose the following are the seasonal

Question

Please show work.

Thank you!!

QUESTION 29 Suppose the following are the seasonal indices for the first three quarters of the year for a quarterly series: Quarter Q1 Q2 03 Seasonal Index 70.4 84.5 106.2 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 Intercept Time Coefficients 2,761 77.6 What is the forecast for pen d SSif period 55 is a Q37 (please round your answer to l decimal place)

Explanation / Answer

Answer:

Estimated regression line is y = 2.761+77.6*t

When t=55,

Predicted y = 2.761+77.6*55 =4270.761

Seasonal index for Q3 is 106.2

The required forecast = 4270.761*(106.2/100) =4535.548182

=4535.5 ( one decimal)

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