An I$-$MR chart is established for an in$-$control process with X$-$bar $=199,$ bar$($MR$)=3\mathrm{.}2,$ and span $=4,$ Specifications on the notmally distributed quality characteristic are set at $200+-5.$ The current fraction noriconforming is estimated as: a$.0\mathrm{.}0135$ b$.0\mathrm{.}0053$ C$.0,0088$ d$.0\mathrm{.}0076$ e$.0\mathrm{.}0095$