A Random Sample of 16 Students Selected from the Student

question 10

Multiple Choice

A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years.We want to determine if the average age of all the students at the university is significantly more than 24.Assume the distribution of the population of ages is normal.Using α = .05, it can be concluded that the population mean age is

• A) not significantly different from 24.
• B) significantly different from 24.
• C) significantly less than 24.
• D) significantly more than 24.

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