Sunday, May 8, 2011

Can we reject the hypothesis that the average amount of sleep is 9 hours using the given data and a normal level of significance?


n = 75


x = 7.2


s = 2.5

Posted by at

1 comment:

  1. Annie Swanson-NystromMay 8, 2011 at 11:41 PM

    No, the hypothesis can't be rejected.

    Critical region: 6.86 to 11.13

    ReplyDelete

Subscribe to: Post Comments (Atom)