February 24, 2017

Homework Help: statistics

Posted by Anonymous on Saturday, February 4, 2012 at 10:43pm.

A researcher is interested in
estimating the average salary of teachers in a large urban
school district. She wants to be 95% confident that her
estimate is correct. If the standard deviation is $1050, how
large a sample is needed to be accurate within $200?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions