Is this plot close to what you want?
Here is the JSL to reproduce this example
Names Default to Here( 1 );
dt = Open( "$SAMPLE_DATA/Big Class.jmp" );
dt << Graph Builder(
Size( 528, 444 ),
Show Control Panel( 0 ),
Variables( X( :sex ), Y( :height ), Y( :weight, Position( 1 ) ) ),
Elements(
Line( X, Y( 1 ), Y( 2 ), Legend( 5 ), Error Interval( "Standard Error" ) )
),
SendToReport(
Dispatch( {}, "Graph Builder", FrameBox, {Reference Line Order( 4 )} )
)
);