Statistics - Confidence Interval
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The American Restaurant Association collected information on the number of meals eaten outside the home per week by young married couples. A survey of 60 couples showed the sample mean number of meals eaten outside the home was 2.76 meals per week, with a standard deviation of 0.75 meals per week. Construct a 97 percent confidence interval for the population mean.
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n = 60, x-bar = 2.76, s = 0.75
SE = s/sqrt n = 0.75/sqrt 60 = ...
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