Sales Forecasts. Find the dataset productsales in the Course Data.

The time series shows the sales of a particular product over the past $12$ months.

What is the forecast for month $13$ using the smoothing constant $\backslash$alpha $=0\mathrm{.}5?$

Hint:

Review the example in "Exponential Smoothing" of the weekly slides.

Question $6$ options:

$510\mathrm{.}29$

$106\mathrm{.}4$

$104\mathrm{.}6$

$110$