November 25, 2015

Search: sattistics

Number of results: 1

Twenty students randomly assigned to an experimental group receive an instructional program: 30 in a control group do not. After 6 months, both groups are tested on their knowledge. The experimental group has a mean of 38 on the test(with an estimated population standard ...
July 18, 2009 by Jerry

  1. Pages:
  2. 1