I want answer with explanation...

I'll upvote you...

Statistical Process Control The Watson Electric Company produces LED light bulbs. The following data on the number of lumens for 40-watt bulbs were collected from the process. You are asked to prepare the appropriate 3 sigma control chart to evaluate whether the process is in control. Observation Sample Day 1 2 3 4 1 614 622 598 610 2 607 611 617 613 3 591 580 595 602 4 630 615 605 598 5 600 624 618 614

Question 20 You have a process with a design upper limit of 213.4 and a lower limit of 206.0. Your standard deviation is 0.520. What is the process capability ratio for this process?

Question 21 (1 point) You have calculated a process capability ratio of 0.85. Is this process capable of meeting your expectations? A)We need to know what the control limits and standard deviations are.

B)It depends on what your standards are.

C)The process is not capable.

D)The process is capable.