A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fatty acid (
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Question:
A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fatty acid in percentages A sample of six packages resulted in the following data:
Calculate a confidence interval on the mean mu Provide a practical interpretation of this interval.
Calculate a lower confidence bound on the mean. Compare this bound with the lower bound of the twosided confidence interval and discuss why they are different.
Compute a prediction interval on the polyunsaturated fatty acid in the next package of margarine that is tested.
Compare the length of the prediction interval with the length of the CI on the population mean.
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