The Watson Electric Company produces LED light bulbs. The following data on the number of lumens for
Question:
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 14 (3 points)
What is the upper control limit for the process control chart? If you are using an x-bar and r-chart enter the upper control limit for the x-bar chart here. If you are using a p-chart or a c-chart enter the upper control limit here. Enter the limit to two decimal places.
Your Answer:
Question 14 options:
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Question 15 (3 points)
What is the lower control limit for the process control chart? If you are using an x-bar and r-chart enter the lower control limit for the x-bar chart here. If you are using a p-chart or a c-chart enter the lower control limit here. Enter the limit to two decimal places.
Your Answer:
Question 15 options:
Your Answer |
Operations Management Processes And Supply Chains
ISBN: 9781292409863
13th Global Edition
Authors: Lee Krajewski, Naresh Malhotra, Larry Ritzman