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2. A particular brand of diet margarine was analyzed to determine the level of polyunsaturated fatty acid (in percent).
Posted: Wed Jul 06, 2022 12:10 pm
by answerhappygod
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2. 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. (a) It is important to determine if the mean is not 17.0. Test an appropriate hypothesis, using the P-value approach. (b) What are your conclusions? Use a normal probability plot to test the normality assumption. (c) Find a 99% two-sided CI on the mean mu. Provide a practical interpretation of this interval.