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A statistical consultant was retained by a linen supplier to analyze a survey of hospital purchasing managers.

A statistical consultant was retained by a linen supplier to analyze a survey of hospital purchasing managers. After looking at the data, she realized that the survey had missed several key geographic areas and included some that were outside the target region. Some survey questions were ambiguous. Some respondents failed to answer all the questions or gave silly replies (one manager said he worked 40 hours a day). Of the 1,000 surveys mailed, only 80 were returned. Given this information, answer the following questions:
• What alternatives are available to the researcher?

• Might an imperfect analysis be better than none?

• If you were the consultant, how might you respond to the supplier?

• Analyze data by the rules of probability
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A statistical consultant was retained by a linen supplier to analyze a survey of hospital
purchasing managers. After looking at the data, she realized that the survey had missed
several key...

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