QUESTION $27$

Every half hour, the quality control inspector checks a process by measuring four pieces and records the outside diameters of each of them, as shown below.

Picture

What are the upper and lower limits of the range chart?

$9\mathrm{.}128$ and $0$

$2\mathrm{.}282$ and $4$

$2\mathrm{.}282$ and $0$

$100$ and $0$