Results 1 to 2 of 2

Math Help - Sigma X Squared = 330 find value of X

  1. #1
    Newbie
    Joined
    Jun 2009
    Posts
    1

    Unhappy Sigma X Squared = 330 find value of X

    I have a quesion and the answer im not sure how they have got to the answer can anyone help?

    E = Denotes sigma

    Ey = 555.10
    Ex Squared = 330
    Eysquared = 61,627,40
    Exy = 4,442.15

    The value of x = 40 how do you get to this answer?

    Thanks
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Flow Master
    mr fantastic's Avatar
    Joined
    Dec 2007
    From
    Zeitgeist
    Posts
    16,948
    Thanks
    5
    Quote Originally Posted by jasoncfc View Post
    I have a quesion and the answer im not sure how they have got to the answer can anyone help?

    E = Denotes sigma

    Ey = 555.10
    Ex Squared = 330
    Eysquared = 61,627,40
    Exy = 4,442.15

    The value of x = 40 how do you get to this answer?

    Thanks
    "The value of x = 40" makes no sense. Please post the whole question exactly as it's written from wherever you got it from.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. F= am1m2/r (squared) FIND A
    Posted in the Algebra Forum
    Replies: 1
    Last Post: November 17th 2010, 02:28 PM
  2. Let X be N (mu, sigma squared)
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: November 2nd 2009, 02:00 PM
  3. If X is N(mu, sigma squared),
    Posted in the Advanced Statistics Forum
    Replies: 1
    Last Post: November 2nd 2009, 01:56 PM
  4. Replies: 4
    Last Post: September 27th 2009, 07:48 PM
  5. Finding R-Squared and sigma in Poisson with sas
    Posted in the Statistics Forum
    Replies: 0
    Last Post: November 15th 2008, 07:29 PM

Search Tags


/mathhelpforum @mathhelpforum