Pepsi Co$.$ has installed a new automatic cola filling machine. Following samples were taken during the first week of production. The factory manager asked you to check if the dispersion of the process is in control. Which chart should you use?

Sample Bottle $1$ Bottle $2$ Bottle $3$

$120\mathrm{.}120\mathrm{.}119\mathrm{.}8$

$22019\mathrm{.}520$

$319\mathrm{.}920\mathrm{.}119\mathrm{.}4$

$41821\mathrm{.}820\mathrm{.}5$

$52019\mathrm{.}720$

Group of answer choices

x$-$bar chart

c$-$chart

p$-$chart

R$-$chart