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Part $1$

The following table shows the actual demand observed over the last $11$ years:

$$

Year

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

$9$

$10$

$11$

Demand

$6$

$10$

$4$

$9$

$11$

$8$

$12$

$14$

$8$

$11$

$8$

Part $2$

Using exponential smoothing with alpha $=0\mathrm{.}50$ and a forecast for year $1$ of $5\mathrm{.}0,$ provide the forecast from periods $2$ through $12$The following table shows the actual demand observed over the last $4$ years:

Using exponential smoothing with $=0\mathrm{.}50$ and a forecast for year $1$ of $5\mathrm{.}0,$ provide the forecast from periods $2$ through $5($round your responses to one decimal place$).$