Process capability. Determine which of these three processes are capable:

Process

$2$

Mean

$7\mathrm{.}5$

$4\mathrm{.}6$

$6\mathrm{.}0$

Standard Deviation

$\mathrm{.}10$

$\mathrm{.}12$

$\mathrm{.}14$

Lower Spec

$7\mathrm{.}0$

$4\mathrm{.}3$

$5\mathrm{.}5$

Upper Spec

$8\mathrm{.}0$

$4\mathrm{.}9$

$6\mathrm{.}7$Process capability. Determine which of these three processes are capable:

Process

$2$

Mean

$7\mathrm{.}5$

$4\mathrm{.}6$

$6\mathrm{.}0$

Standard Deviation

$\mathrm{.}10$

$\mathrm{.}12$

$\mathrm{.}14$

Lower Spec

$7\mathrm{.}0$

$4\mathrm{.}3$

$5\mathrm{.}5$

Upper Spec

$8\mathrm{.}0$

$4\mathrm{.}9$

$6\mathrm{.}7$