If $\overline { \overline { X } }$ = 2)0144 $\bar { R }$

Multiple Choice

If $\overline { \overline { X } }$

= 2) 0144, $\bar { R }$
= ) 0972,and there are 25 subgroups of size 5,find the UCL and the LCL for the $\bar { x }$
Chart.

A) [1.999,2.029]
B) [1.958,2.071]
C) [1.917,2.112]
D) [1.437,2.591]