Accordingly, he sampled four units of output from each machine, with the following results:

Machine

#$1$

#$2$

#$3$

$15$

$18$

$23$

$17$

$25$

$22$

$17$

$16$

$23$

Measurements

$15$

$25$

$24$

Using the factors for three sigma control limits$,$ what are the sample range $($R$)$ chart upper and

lower control limits$?$

$9\mathrm{.}88$ and $0$

$9\mathrm{.}88$ and $2$

$10\mathrm{.}88$ and $0$

$9\mathrm{.}88$ and $1$