$\backslash$table$[[$Week$,$Forecast,Actual$],[1,$method,Demand$],[1,0\mathrm{.}85,0\mathrm{.}68],[2,1\mathrm{.}05,1\mathrm{.}00],[3,0\mathrm{.}92,0\mathrm{.}96],[4,1\mathrm{.}20,0\mathrm{.}97]]$

$\backslash$table$[[$Weck$,$forecast,Actual$],[,$Method,Demand$],[1,0\mathrm{.}77,0\mathrm{.}68],[2,1\mathrm{.}19,1\mathrm{.}00],[3,0\mathrm{.}88,0\mathrm{.}96],[4,1\mathrm{.}11,0\mathrm{.}97]]$

The MAD for method $2=$