Although tea is the worlds most widely consumed
Chapter 10, Problem 10.27(choose chapter or problem)
Although tea is the worlds most widely consumed beverageafter water, little is known about its nutritional value. Folacinis the only B vitamin present in any significant amount in tea,and recent advances in assay methods have made accuratedetermination of folacin content feasible. Consider theaccompanying data on folacin content for randomly selectedspecimens of the four leading brands of green tea.(Data is based on Folacin Content of Tea, J. Amer. DieteticAssoc., 1983: 627632.) Does this data suggest that trueaverage folacin content is the same for all brands?a. Carry out a test using .05 via the P-value method.b. Assess the plausibility of any assumptions required foryour analysis in part (a).c. Perform a multiple comparisons analysis to identify significantdifferences among brands.
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