Your line manager has presented you the passenger data from $2020-22$ shown in Table $1.$ Currently the airport is forecasting the passenger numbers using $2-$Month Moving Average method. Your line manager is concerned that this may not be the most appropriate and accurate method of forecasting for the company. She is proposing that the airport moves to $2-$Month Weighted Moving Average method of forecasting with the weight of $0\mathrm{.}7$ for the most recent period and $0\mathrm{.}3$ for the older period. She is also interested in finding out which method of forecasting you would select for the company