If $\overline { \mathrm { X } }$ And R Charts Are Used to Control a Manufacturing Process,an

Multiple Choice

If $\overline { \mathrm { X } }$
And R charts are used to control a manufacturing process,an ______ chart is analyzed first and brought into a state of statistical control before preparing the _______ chart.

A) R,
$\overline { \mathrm { X } }$
B) $\overline { \mathrm { X } }$