Although tea is the world's most widely consumed beverage after water, little is known about its nutritional value. Folacin is the only B vitamin present in any significant amount in tea, and recent advances in assay methods have made accurate determination of folacin content feasible. Consider the accompanying data on folacin content for randomly selected specimens of the four leading brands of green tea. 1: 7.9 6.2 6.6 8.6 8.9 10.1 9.6 2: 5.7 7.5 9.8 6.1 8.4 3: 6.8 7.5 5.0 7.4 5.3 6.1 4: 6.4 7.1 7.9 4.5 5.0 4.0 (Data is based on "Folacin Content of Tea," J. of the Amer. Dietetic Assoc., 1983: 627–632.) Does this data suggest that true average folacin content is the same for all brands? a. Carry out a test using a = .05 via the P-value method. b. Assess the plausibility of any assumptions required for your analysis in part (a). c. Perform a multiple comparisons analysis to identify significant differences among brands.

Although tea is the world's most widely consumed beverage after water, little is known about its nutritional value. Folacin is the only B vitamin present in any significant amount in tea, and recent advances in assay methods have made accurate determination of folacin content feasible. Consider the accompanying data on folacin content for randomly selected specimens of the four leading brands of green tea. 1: 7.9 6.2 6.6 8.6 8.9 10.1 9.6 2: 5.7 7.5 9.8 6.1 8.4 3: 6.8 7.5 5.0 7.4 5.3 6.1 4: 6.4 7.1 7.9 4.5 5.0 4.0 (Data is based on "Folacin Content of Tea," J. of the Amer. Dietetic Assoc., 1983: 627–632.) Does this data suggest that true average folacin content is the same for all brands? a. Carry out a test using a = .05 via the P-value method. b. Assess the plausibility of any assumptions required for your analysis in part (a). c. Perform a multiple comparisons analysis to identify significant differences among brands.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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