February 24, 2017

Homework Help: statistics

Posted by carrie on Tuesday, January 4, 2011 at 6:09am.

The average age of evening students at a local college has been 21.
A sample of 19 students was selected in order to determine whether the average age of students had increased.
The average age of the students in the sample was 23 with a standard deviation of 3.5. Determine whether or not there has been an increase in the average age of the evening students. Use a 0.1 level of significance.

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