CHAPTER $8$

The manager of a pizza shop must forecast weekly demand for special pizzas so that he can order pizza shells weekly. Recent demand has been:

WEEK No$.$ Special Pizzas

$130$

$245$

$333$

$436$

$535$

$640$

$8)$ Use the information from the table, crate the following forecasts:

$4-$week simple moving average

$4-$week weighted moving average, giving them equal weight.

$$ Exponential smoothing forecast using an alpha of $\mathrm{.}6$

For each determine the forecast for week $7.$

If the actual demand for week $7$ is $48$ which of the three forecasts was most accurate?