The U.S. Food and Drug Administration requires that calcium content of food be reported. The mean content

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The U.S. Food and Drug Administration requires that calcium content of food be reported. The mean content (mg/g) (mg/g) and standard deviation (±s) (±s) for triplicate (n=3)(n=3) determinations with a new and the conventional method were:

a. For cheese, is the standard deviation for the new method significantly different from that of the conventional method?
b. Are the mean caCa concentrations for cheese significantly different from each other?
c. Using the new method, is the mean concentration in infant formula significantly different from that in cheese?

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Quantitative Chemical Analysis

ISBN: 9781319164300

10th Edition

Authors: Daniel C. Harris, Charles A. Lucy

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