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The supervisor for a call center wants to determine whether the call answering process is in control. The supervisor records the total number of incoming calls and the number of unanswered calls for 21 days.
Because this data contains counts of defectives, you can use it to demonstrate P Chart and Binomial Capability Analysis.
| Worksheet column | Description |
|---|---|
| Total Calls | The total number of calls each day. This column contains the subgroup sizes. |
| Unanswered Calls | The total number of unanswered calls each day. Each unanswered call is a defective. |
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