Consumption of alcoholic beverages by young women of drinking age has been increasing in the United Kingdom, the United States, and Europe (The Wall Street Journal, February 15, 2006). Data (annual consumption in liters) consistent with the findings reported in The Wall Street Journal article are shown for a sample of 20 European young women. 82 82 199 174 97 170 222 115 135 169 164 105 105 171 0 93 0 93 110 434 Assuming the population is roughly symmetric, calculate the sample mean and sample standard deviation. Then construct a 95% confidence interval for the mean annual consumption of alcoholic beverages by European young women (Round all answers to 1 decimal).
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