Samples of six different brands of diet/imitation margarine were analyzed to determine the level of physiologically active
Question:
(The preceding numbers are fictitious, but the sample means agree with data reported in the January 1975 issue of Consumer Reports.)
a. Use ANOVA to test for differences among the true average PAPFUA percentages for the different brands.
b. Compute CIs for all (µi - µj)'s.
c. Mazola and Fleischmann's are corn-based, whereas the others are soybean-based. Compute a CI for (µ1 + µ2 + µ3 + µ4) / 4 - (µ5 + µ6) / 2.
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781305251809
9th Edition
Authors: Jay L. Devore
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