A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fatty acid (in percentages). A sample of six packages resu

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: 16.8, 17.2, 17.4, 16.9, 16.9, and 17.2. Find a 99% two-sided confidence interval on the true mean yield.(a) Calculate the sample mean and standard deviation. Round the mean to 2 decimal places, and round the standard deviation to 3 decimal places.(b) Calculate the 99% two-sided confidence interval on the true mean yield. Round your answers to 2 decimal places.

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