Mathematics, 06.05.2020 01:14, zanaplen27
A study was conducted to estimate the mean amount spent on Christmas gifts for a typical family having two children. A sample of size of 101 was taken and the mean amount spent was $225 with a
standard deviation equal to $50. Find a 95% confidence interval for the mean for all such families. Round to the nearest whole dollar.
The confidence interval is from
(Do not enter dollar signs.)
Answers: 1
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