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........Q. 3. The mean age of De Anza College students in a pre term was 26.6 years old. An instructor thinks the mean age for

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........Q. 3. The mean age of De Anza College students in a pre term was 26.6 years old. An instructor thinks the mean age for online students is older than 26.6. She randomly surveys 58 online students and finds that the sample mean is 29.4 5%. with a standard deviation of 2.1. Conduct a hypothesis test at 15 marks

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