The book Using Designed Experiments to Shrink Health Care Costs [1997, ASQ Quality Press] presented a case

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The book Using Designed Experiments to Shrink Health Care Costs [1997, ASQ Quality Press] presented a case study of an unreplicated 25factorial design to investigate the effect of five factors on the length of accounts receivable measured in days. A summary of the investigated factors and the results of the study follows.

(a) Construct the normal probability plot of the effects and interpret the plot.

(b) Pool the negligible higher-order interactions to obtain an estimate of the error and construct the ANOVA accordingly.

(c) Analyze the residuals and comment on model adequacy.

Accounts Receivable
Accounts receivables are debts owed to your company, usually from sales on credit. Accounts receivable is business asset, the sum of the money owed to you by customers who haven’t paid.The standard procedure in business-to-business sales is that...
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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