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(Solved): 9. A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fat ...
9. A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fatty acid (in percent). A sample of six packages resulted in the following data: 16.8, 17.2, 17.4, 16.9, 16.5, and 17.1. Find a 99% upper confidence bound on the mean.
Expert Answer
Consider the given data of the level of polyunsaturated fatty acid (in percent) of a sample of six packages of diet margarine. 16.8, 17.2, 17.4, 16.9, 16.5, 17.1 Since the population standard deviation is not known, the t -confidence interval for mea