Results 1 to 2 of 2

Math Help - Find a set of 7 scores

  1. #1
    Banned
    Joined
    Nov 2009
    Posts
    15

    Find a set of 7 scores

    Find a set of 7 scores that has the same mean but a smaller standard deviation than the set
    {65, 71, 77, 80, 82, 90, 96}
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Aug 2007
    From
    USA
    Posts
    3,111
    Thanks
    2
    Quote Originally Posted by westdivo View Post
    Find a set of 7 scores that has the same mean but a smaller standard deviation than the set
    {65, 71, 77, 80, 82, 90, 96}
    This should be VERY easy. Try {66, 71, 77, 80, 82, 90, 95}
    Last edited by TKHunny; November 26th 2009 at 04:41 AM.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 2
    Last Post: November 20th 2011, 10:35 PM
  2. z-scores.
    Posted in the Statistics Forum
    Replies: 1
    Last Post: October 23rd 2010, 10:11 AM
  3. Please help .. z scores ...
    Posted in the Statistics Forum
    Replies: 1
    Last Post: January 5th 2010, 12:30 PM
  4. Z Scores
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: February 3rd 2009, 04:57 AM
  5. z-scores
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: March 31st 2008, 07:21 AM

Search Tags


/mathhelpforum @mathhelpforum