Mathematics, 15.04.2021 02:20, londonchanel

A random sample of 49 shoppers showed that they spend an average of $23.45 per visit at the Saturday Morning Bookstore.
The standard deviation of the population is $2.80. Find the best
point estimate of the population mean and find the 90%
confidence interval of the true mean.

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A random sample of 49 shoppers showed that they spend an average of $23.45 per visit at the Saturda...