A health insurance company operates a 24/7 nurse advice line and is concerned about long call wait
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Question:
- A health insurance company operates a 24/7 nurse advice line and is concerned about long call wait times. A time study team collected observations for the advice line's answer time (in seconds) over a one-week period, and the results are displayed in the table below. Please use excel and show all work.
- 1. Using the standard deviation approach, determine the 99.5 percent confidence limits for the advice line call answer times.
- Construct an appropriate control chart for the days.
- 2. Perform an up/down runs test. What do you conclude about the randomness of answer times?
- 3. Perform a median run test. What do you conclude about the randomness of answer times?
Related Book For
Project Management The Managerial Process
ISBN: 9781260570434
8th Edition
Authors: Eric W Larson, Clifford F. Gray
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