= mean = 220
Calculate the upper and lower limit for a 95% confidence interval about the mean.
a fami...
Mathematics, 20.10.2019 00:30 tiarabivens0
Calculate the upper and lower limit for a 95% confidence interval about the mean.
a family wants to reduce its expenditures for personal items like gifts, newspapers, magazines and so forth. a sample of 49 months of receipts yields a mean of $220.00 with a standard deviation of $30.00. they decide to calculate a 95% confidence interval about this mean.
Answers: 1
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