1. Using the above data forecast year 3

Calculate a forecast using the

exponential smoothing method.

Assume a = 0.20

Pricilla Phranklin opened her new clothing store, Pricilla Phashions, in downtown Dover. Pants, skirts, blouses, and shirts have fairly consistent sales, while things like shorts, sweater and outerwear are highly seasonal. On the other hand, dresses are a little harder to predict. Pricilla is hiring you to arrive at the best forecasting method for dresses. The following table contains three years of dress sales data