Big Idea$$

$3.$ Interpreting Control Charts$$

Using the $4$ charts shown in our class slides, match the following indications and interpretations:

Group of answer choices

Pattern A

in$-$control, process is stable.

Pattern B

out$-$of$-$control because there are points outside the control limits$.$

Pattern C

in$-$control because there is an upward trend.

Pattern D

in$-$control, process is stable.