The owner of Darkest Tans Unlimited in a local mall is forecasting this month's $($October$\text{'}$s$)$ demand for the one new tanning booth based on the following historical data:

$\backslash$table$[[$Month$,$Number of Visits$],[$April$,100],[$May$,140],[$June$,110],[$July$,150],[$August$,120]]$

September $160$

What is this month's forecast using a four$-$month weighted moving average with weights of $0\mathrm{.}4,0\mathrm{.}3,0\mathrm{.}2,$ and $0\mathrm{.}1?$

$120$

$129$

$141$

$135$

$140$

Question $18(0\mathrm{.}8$ points$)$

Search