Consumption of alcoholic beverages by young women of drinking age in the United
ID: 3126127 • Letter: C
Question
Consumption of alcoholic beverages by young women of drinking age in the United Kingdom, the United States, and Europe was reported (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.
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Assuming the population is roughly symmetric, construct a 95% confidence interval for the mean annual consumption of alcoholic beverages by European young women. Round your answers to two decimal places.
liters to liters
260 76 193 168 91 164 217 109 124 163 158 86 107 165 0 87 0 87 104 124Explanation / Answer
Assuming the population is roughly symmetric, construct a 95% confidence interval for the mean annual consumption of alcoholic beverages by European young women. Round your answers to two decimal places.
93.96 liters to 154.34 liters
Confidence Interval Estimate for the Mean
Data
Sample Standard Deviation
64.4983
Sample Mean
124.15
Sample Size
20
Confidence Level
95%
Intermediate Calculations
Standard Error of the Mean
14.4223
Degrees of Freedom
19
t Value
2.0930
Interval Half Width
30.1861
Confidence Interval
Interval Lower Limit
93.96
Interval Upper Limit
154.34
Confidence Interval Estimate for the Mean
Data
Sample Standard Deviation
64.4983
Sample Mean
124.15
Sample Size
20
Confidence Level
95%
Intermediate Calculations
Standard Error of the Mean
14.4223
Degrees of Freedom
19
t Value
2.0930
Interval Half Width
30.1861
Confidence Interval
Interval Lower Limit
93.96
Interval Upper Limit
154.34
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