Assume you collect the following continuous data for two samples, each consisting of three observations while utilizing a Range chart $($R$-$bar chart$)$ to monitor a production process. Sample $1,$ observations $1,2,$ and $3$: $7\mathrm{.}521,7\mathrm{.}254,$ and $7\mathrm{.}522.$ Sample $2,$ observations $1,2,$ and $3$: $7\mathrm{.}249,7\mathrm{.}247,$ and $7\mathrm{.}242.$ What is the range $($R$)$ of Sample $1?$

Question $9$Select one:

a$.$

$0\mathrm{.}003$

b$.$

$0\mathrm{.}268$

c$.$

$0\mathrm{.}007$

d$.$

$0\mathrm{.}280$

e$.$

None of these