Tuesday
August 4, 2015

Homework Help: statistics

Posted by bob on Wednesday, March 30, 2011 at 10:13pm.

A university dean wishes to estimate the average number of hours his part-time instructors teach per week. The standard deviation is 2.6 hours. How large a sample must be selected if he wants to be 95% confident of finding whether the true mean differs from the sample mean by 1 hour?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members