X = _____ The mean age for all Foothill College students for a recent Fall term was

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X̅ = _____ The mean age for all Foothill College students for a recent Fall term was 33.2. The population standard deviation has been pretty consistent at 15. Suppose that twenty-five Winter students were randomly selected. The mean age for the sample was 30.4. We are interested in the true mean age for Winter Foothill College students. Let X = the age of a Winter Foothill College student.

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Introductory Business Statistics

ISBN: 202318

1st Edition

Authors: Alexander Holmes , Barbara Illowsky , Susan Dean

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