Question: general data using the provided data calculate the control...
Question details
General Data - using the provided data, calculate the control limits (X-bar and r-chart, Capability Index, create a control chart, and calculate the percentage of units that are expected to be out of spec (z-value). Also, points out of control and action you would take. Show your work.
General Data | ||||||||||
Given the following data, with a specification of 10 +/-2, determine the following: | ||||||||||
1. Upper and lower control limits for the X-bar and R charts | ||||||||||
2. Is the process in control and capale of meeting the specifications | ||||||||||
3. Capability indexes | ||||||||||
4. How many points of out of control and how many are out of spec? | ||||||||||
5. What percentage (z-value) are out of spec? | ||||||||||
6. What action would you take? | ||||||||||
sample/time | 8am | 9am | 10am | 11am | noon | 1pm | 2pm | 3pm | 4pm | 5pm |
#1 | 14 | 10 | 9 | 9 | 11 | 9 | 13 | 10 | 9 | 11 |
#2 | 12 | 10 | 10 | 8 | 12 | 10 | 12 | 9 | 9 | 8 |
#3 | 13 | 11 | 12 | 10 | 14 | 12 | 10 | 12 | 10 | 10 |
#4 | 9 | 12 | 11 | 9 | 7 | 10 | 9 | 10 | 10 | 13 |
#5 | 11 | 11 | 9 | 10 | 9 | 9 | 11 | 9 | 8 | 9 |
#6 | 10 | 9 | 11 | 9 | 8 | 8 | 9 | 10 | 10 | 12 |
#7 | 9 | 10 | 11 | 11 | 9 | 8 | 9 | 9 | 8 | 10 |