3. Trade associations such as the United Dairy Farmers Association frequently conduct surveys to identify characteristics of their membership. If this organization conducted a survey
3. 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 per- capita consumption of milk and wanted to be 95% confident that the estimate was no more than +1 gallon away from the actual average, what sample size is needed? Past data have indicated that the standard deviation of consumption is approximately five gallons
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