Given the following series yt answer the following

Question

Given the following series Y_t, Answer the following questions and round to 2 decimal places.

A. What is the forecast for period 9 using a five-period moving average

B. Use simple exponential smoothing with a smoothing average of 4 and a starting value equal to the value of the first period to forecast period 9.

C. In part b, what is the forecast error for time period 5?

D. In part b, what is the MAD?

E. In part a, what is the MAD?

 

Time period                   Y_t

_{1                                              200}

_{2                                              210}

_{3                                              215}

_{4                                              216}

_{5                                              219}

_{6                                              220}

_{7                                              225}

_{8                                              226}