Mathematics
Mathematics, 16.11.2019 04:31, ijohnh14

In an examination of holiday spending (known to be normally distributed) of a sample of 16 holiday shoppers at a local mall, an average of $54 was spent per hour of shopping. based on the current sample, the standard deviation is equal to $21. find a 90% confidence interval for the population mean level of spending per hour

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In an examination of holiday spending (known to be normally distributed) of a sample of 16 holiday s...

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