Consider a process with m$0=10$ and s $=1.$ Set up the

following EWMA control charts:

$($a$)$ l $=0\mathrm{.}1,$ L $=3$

$($b$)$ l $=0\mathrm{.}2,$ L $=3$

$($c$)$ l $=0\mathrm{.}4,$ L $=3$

Discuss the effect of l on the behavior of the control

limits$.$