Examine the Statistical Process Control outputs below. Answer the following questions.

a$.$ What is the sample size?

b$.$ What is the number of samples?

c$.$ What is the mean of sample $8$ ; what is the range of sample $10?$

d$..$ Is this process in control? Explain$--$a simple Yes or No is insufficient.

e$.$ What additional steps should the quality assurance team take?

$\backslash$table$[[$UCL $($Upper control limit$),\backslash$table$[[$Mean$],[12\mathrm{.}6856]],$Range$],[\{$

$\backslash$table$[[$CL $($Center line$)],[$LCL $($Lower control limit$)]]\},12\mathrm{.}36,\frac{1\mathrm{.}0193}{0\mathrm{.}67}$