Sampling pieces of$$ precision$-$cut wire$($to be used in computer$$ assembly$)$ every hour for the past $24$ hours has produced the following$$ results:

$$

Hour

R

Hour

R

Hour

R

Hour

R

$1$

$"$

$"$

$7$

$"$

$"$

$13$

$"$

$"$

$19$

$"$

$"$

$2$

$8$

$14$

$20$

$3$

$9$

$15$

$21$

$4$

$10$

$16$

$22$

$5$

$11$

$17$

$23$

$6$

$12$

$18$

$24$

Based on the sampling$$ done, the control limits for $3-$sigma chart are $($round all intermediate calculations to three decimal places before proceeding with further $$calculations$)$:

Part $2$

Upper Control Limit $()=$

$$

enter your response here inches $($round your response to three decimal$$ places$).$