Sampling $9$ boxes per every hour for the past $8$ hours has produced the following results:

$\backslash$table$[[$WEIGHT OF SAMPLE,WEIGHT OF SAMPLE$],[$HOUR$,($AVG$.$ OF $9$ BOXES$),$HOUR,$($AVG$.$ OF $9$ BOXES$)],[1,16\mathrm{.}1,5,16\mathrm{.}3],[2,16\mathrm{.}8,6,14\mathrm{.}8],[3,15\mathrm{.}5,7,14\mathrm{.}2],[4,16\mathrm{.}4,8,17\mathrm{.}3]]$

What is the value of $x$ double bar? Carry two decimal places.

Answer:

Develop In this case. $.$ Determine UCL and LCL$.$ Carry two decimal places.

UCL $($USL$)=$ Answer:

$LCL(LSL)=$ Answer:

Is this process in control? If this process is in control, answer "yes." Otherwise answer $"$no$."$ Answer: