Confidence intervals

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.
170
164
93
82
222
102
0
199
115
113
93
174
130
171
110
97
169
0
130
Assuming the Population is roughly symmetric construct a 95% confidence intervalfor the meanannual consumption of alcoholic beverages by European young women

** Please see the attachment for Word and Excel formatted solutions **
Thanks.

Solution:

From the given …

This solution illustrates the method of construction of a 95% confidence interval for the mean annual consumption of alcoholic beverages.