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Arena Material: chapter 5 - AS Nida

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odel 5-3: Overall Call-Center Stats<br />

esults<br />

Results from five replications<br />

Base Case – no additional staff, still 26 trunk lines<br />

Total Cost = $22,500.07<br />

Percent Rejected = 12.9%<br />

Add 3 of each of five staff types, 3 more trunk lines<br />

Total Cost = $22,668.69<br />

Is this better?<br />

Percent Rejected = 1.6%<br />

Use in Chapt. 6 for statistically valid experiments<br />

Statistical precision<br />

Compare several alternatives, select best<br />

Average over 5 replications<br />

Conf. int. half-widths in output<br />

Search for configuration that minimizes cost, subject to<br />

upper limit on percent rejected

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