A researcher speculates that because of differences in diet, Japanese children may have a lower mean blood
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A researcher speculates that because of differences in diet, Japanese children may have a lower mean blood cholesterol level than U.S. children do. Suppose that the mean level for U.S. children is known to be 170. Let µ represent the mean blood cholesterol level for all Japanese children. What hypotheses should the researcher test?
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Related Book For 
Introduction To Statistics And Data Analysis
ISBN: 9781337793612
6th Edition
Authors: Roxy Peck, Chris Olsen, Tom Short
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