$\backslash$table$[[$Deviation$,$Cumulative Deviation,Tracking Signal$],[,6,3\mathrm{.}0],[-1,5,2\mathrm{.}5],[-1,4,2],[-1,3,1\mathrm{.}5],[-4,-1,-0\mathrm{.}5]]$ A producer of picture frames uses a tracking signal with limits of $+-4$ to decide whether

a forecast should be reviewed. Given historical information for the past four weeks,

compute the tracking signal and decide whether the forecast should be reviewed. The

MAD for this item was computed as $2.$

$($For tracking signal: round your answers to $1$ decimal place, e$.$g$.3\mathrm{.}5.)$

The forecast should be reviewed in week $$

super confused that i got them wrong HELP REQUESTED