Sunday, May 8, 2011

Distribution

When do we use "t-distribution" over the "z score" when creating confidence interval estimates? Why?
Posted by at

1 comment:

  1. katrinacarlsenMay 8, 2011 at 1:36 PM

    We use the "t-distribution" for small samples when n < 30. Because the standard error is not normally distributed.

    ReplyDelete

Subscribe to: Post Comments (Atom)