e following to answer questions $28-29$:

A quality analyst wants to construct control charts for controlling a packaging process. Each day last week, he randomly selected four packages and weighed them. The data from that activity appears below.

Weight

Day

Monday

Tuesday

Wednesday

Thursday

Friday

Package $1$

$23$

$23$

$21$

$18$

$22$

Package $2$

$22$

$21$

$19$

$20$

$18$

Package $3$

$24$

$21$

$19$

$19$

$22$

Package $4$

$23$

$18$

$22$

$19$

$20$

The upper and lower control limits for the means are:

A$)$ UCL $=22\mathrm{.}64$; LCL $=18\mathrm{.}56$

B$)$ UCL $=22\mathrm{.}88$; LCL $=18\mathrm{.}51$

C$)$ UCL $=23\mathrm{.}033$; LCL $=18\mathrm{.}367$

D$)$ UCL $=21\mathrm{.}0$; LCL $=17\mathrm{.}0$

E$)$ UCL $=22\mathrm{.}98$; LCL $=18\mathrm{.}02$

$5$ points

QUESTION $29$

$29.$ The upper and lower control limits for the Range are:

A$)$ UCL $=6\mathrm{.}846$; LCL $=0$

B$)$ UCL $=7\mathrm{.}25$; LCL $=-5\mathrm{.}2$

C$)$ UCL $=7\mathrm{.}759$; LCL $=0$

D$)$ UCL $=6\mathrm{.}389$; LCL $=0\mathrm{.}0$

E$)$ UCL $=7\mathrm{.}302$; LCL $=0$