NAME : Month Seasonal Factor

Regular Midgrade Premium Total $($gal$)$ Forecast Seasonalized Error Abs $($error$)/$Demand Forecast $($Reg$)$ Forecast $($Mid$)$ Forecast $($Prem$)$ Jan $0\mathrm{.}87$

July Feb $0\mathrm{.}95$

August Mar $1$

September Apr $1\mathrm{.}05$

October May $1\mathrm{.}08$

November Jun $1\mathrm{.}15$

December Jul $1\mathrm{.}13$

January Aug $1\mathrm{.}07$

Sep $1\mathrm{.}02$

MAPE $=$ Oct $0\mathrm{.}94$

Nov $0\mathrm{.}89$

What is the forecasting method that you are using? Put your answer in the provided box: Dec $0\mathrm{.}85$

$2\%$ for the correct calculation of deseasonalized numbers $($for the total demand$)$

$2\%$ for the correct calculation of seasonalized final forecast numbers $($for the total demand$)$

$2\%$ for the correct calculation of Abs$($error$)/$actual demand percentages

$2\%$ for the correct calculation of the MAPE

$2\%$ for the correct calculation of the forecast for each one of the gasoline grades

Note: We will only check for the correct formulas $($to see if they have done it correctly$).$ Everybody will have different numbers in their simulation.

All the columns for calculations are added here already. You can add more rows or columns if you want.