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Determine the mean age of all students at a college

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Reference no: EM131727624

Question: Explain whether x¯ or μ is the correct statistical notation for each mean described.

a. The mean hours of study per week was 15 hours for a sample of n = -30 students at a college.

b. A university administrator determines that the mean age of all students at a college is 20.2 years.

Reference no: EM131727624

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