M:=20;N:=2; MID : MA(C,M); UPPER: MID + N*STD(C,M); LOWER: MID - N*STD(C,M); UP1:MID+STD(C,M),POINTDOT; LW1:MID-STD(C,M),POINTDOT; UP2:MID + 3*STD(C,M)DOTLINE;
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