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YMCA Membership Duration Analysis by ScribdTranslations is a document available to read on EtoBox.

Marty Rowatti is the new director of the YMCA of South Jersey and wants recent data on how long members have been members. He took a random sample of 40 members and found an average of 8.32 years with a standard deviation of 3.07 years. He constructed a 90% confidence interval between 7.52 and 9.12 years, which does not confirm the previous director

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