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III STATISTICAL CONCEPTS APPLIED QUESTIONS Show your calculations Write complete sentences 8 A random sample...

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III STATISTICAL CONCEPTS APPLIED QUESTIONS Show your calculations Write complete sentences 8 A random sample of 45 door to door encyclopedia salespersons were asked how long on average they were able to talk to the potential customer Their answers revealed a mean of 8 5 minutes with a standard deviation of 3 minutes Give a point estimate for the average conversation length and calculate a 95 confidence interval OLGL to

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