QUESTION $17$

Refer to the attached Excel file $"$HW Control Charts" using the $"$C$-$Chart" tab data; the C$-$Bar, UCL, LCL of those samples are:

C$-$Bar:$6\mathrm{.}6625,$ UCL:$12\mathrm{.}6380,$ LCL: $-1\mathrm{.}51$

C$-$Bar:$5\mathrm{.}5625,$ UCL:$12\mathrm{.}6380,$ LCL: $0$

C$-$Bar:$6\mathrm{.}6625,$ UCL:$12\mathrm{.}6380,$ LCL: $0$

C$-$Bar:$5\mathrm{.}5625,$ UCL:$11\mathrm{.}6380,$ LCL: $-1\mathrm{.}51$

C$-$Bar:$5\mathrm{.}5625,$ UCL:$11\mathrm{.}6380,$ LCL: $0$

$\backslash$table$[[,$A$,$B$],[1,$Sample,# of Defects$],[2,1,6],[3,2,5],[4,3,7],[5,4,8],[6,5,4],[7,6,5],[8,7,7],[9,8,4],[10,9,5],[11,10,4],[12,11,6],[13,12,7],[14,13,5],[15,14,7],[16,15,5],[17,16,4],[18,,]]$