Question: Using the data and forecasts of Exercise 5.2, and given the further observation ????101 = 174: (a) Calculate the forecasts ????101(????) for ???? = 1,

Using the data and forecasts of Exercise 5.2, and given the further observation

????101 = 174:

(a) Calculate the forecasts ????̂101(????) for ???? = 1, 2, … , 11 using the updating formula

????̂????+1(????) = ????̂????(???? + 1) + ????????????????+1

(b) Verify these forecasts using the difference equation directly.

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