Question: William Stein, the Assistant Purser, has tracked billing errors the past 21 cruises. Based on this data, determine control limits for billing errors. Explain any

William Stein, the Assistant Purser, has tracked billing errors the past 21 cruises. Based on this data, determine control limits for billing errors. Explain any concerns you have about using the percentage of bills with errors as a valid measure for this analysis.

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