Question # Three $(2$ Point$)$

Based on the following data for the past $10$ months, the operation manager of the company wants to be certain that enough cars are available to deliver orders.

$\backslash$table$[[$Month$,$Jan.,Feb.,Mar.,Apr.,May.,Jun.,Jul.,Aug.,Sep.,Oct.$],[$Orders$,120,90,100,75,110,50,75,130,110,90]]$

Compute the monthly demand forecast for February through April using the na$$ve method.

Solve

Compute the demand forecast for Aug. using a three $-$ month weighted moving average. Use weights of $0\mathrm{.}5,0\mathrm{.}17$ and $0\mathrm{.}33,$ with the heavier weights on the more recent months.

Explain by figure $R$ between the demand for the car and the advertising fees is $\mathrm{.}85$

Solve it to me with details, also thier is graphic drawing so make the full drawing with all details, thanks