A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day.
Question:
A recent study revealed the typical American coffee drinker consumes an average of 3.1 cups per day. A sample of 12 senior citizens revealed they consumed the following amounts of coffee, reported in cups, yesterday.
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At the .05 significance level, do these sample data suggest there is a difference between the national average and the sample mean from seniorcitizens?
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H 0 m 31 H 1 m 31 Reject H 0 if t 2...View the full answer
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Related Book For 
Statistical Techniques In Business And Economics
ISBN: 356
16th Edition
Authors: Douglas Lind, William Marchal
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