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Mathematics, 28.02.2020 03:58 Queiao4088
A survey of 25 grocery stores revealed that the mean price of a gallon of milk was $2.98, with a standard error of $0.10. If 90% and 95% confidence intervals were developed to estimate the true cost of a gallon of milk, what similarities would they have?
A. Both use the same t statistic
B. Both have the same confidence level
C. Both use the same z statisticD. Both use the same point estimate of the population mean
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A survey of 25 grocery stores revealed that the mean price of a gallon of milk was $2.98, with a sta...
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