A Random Sample of 25 Students Selected from the Student

question 2

Multiple Choice

A random sample of 25 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. The test statistic is

• A) 1.96.
• B) 2.50.
• C) 1.65.
• D) .05.

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