Trade associations, such as the United Dairy Farmers Association, frequently conduct surveys to identify characteristics of their
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Trade associations, such as the United Dairy Farmers Association, frequently conduct surveys to identify characteristics of their membership. If this organization conducted a survey to estimate the annual percapita consumption of milk and wanted to be 95% confident that the estimate was no more than {0.5 gallon away from the actual average, what sample size is needed? Past data have indicated that the standard deviation of consumption is approximately 6 gallons.
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Business Analytics Methods Models and Decisions
ISBN: 978-0321997821
2nd edition
Authors: James R. Evans
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