Question: Data is given in the table Use the syringe data in the file Syringe Sample Data - 2022. The customer has specified a syringe upper
Data is given in the table
Use the syringe data in the file "Syringe Sample Data - 2022". The customer has specified a syringe upper Specification limit of 4.99 inches and a lower Specification limit of 4.91 inches.
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The specification limit is set by the customer. The control limit is set by the process.
Answer the following questions.
What is the grand mean of the 7 samples? (Four decimals for all answers.)
Using the short term standard deviation (classic), what is the standard deviation for this data?
What is the USL minus the LSL?
What is the CP?
What is the CPK low? (Lower limit performance)
What is the CPK high? (Upper limit performance)
What is the CPK?
Is this process capable? (yes or no)
| subgroup | ||||
| Sample | 1 | 2 | 3 | 4 |
| 1 | 4.973 | 4.946 | 4.952 | 4.966 |
| 2 | 4.986 | 4.958 | 4.968 | 4.973 |
| 3 | 4.985 | 4.980 | 4.969 | 4.966 |
| 4 | 4.967 | 4.958 | 4.961 | 4.962 |
| 5 | 4.972 | 4.960 | 4.968 | 4.970 |
| 6 | 4.974 | 4.961 | 4.969 | 4.963 |
| 7 | 4.962 | 4.975 | 4.970 | 4.966 |
| 8 | 4.966 | 4.954 | 4.961 | 4.959 |
| 9 | 4.963 | 4.968 | 4.965 | 4.968 |
| 10 | 4.978 | 4.963 | 4.965 | 4.970 |
| 11 | 4.964 | 4.957 | 4.964 | 4.960 |
| 12 | 4.952 | 4.966 | 4.962 | 4.959 |
| 13 | 4.970 | 4.953 | 4.956 | 4.964 |
| 14 | 4.972 | 4.952 | 4.964 | 4.957 |
| 15 | 4.964 | 4.956 | 4.956 | 4.964 |
| 16 | 4.968 | 4.958 | 4.961 | 4.958 |
| 17 | 4.963 | 4.967 | 4.967 | 4.964 |
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