Results 1 to 2 of 2

Math Help - plz help

  1. #1
    Junior Member
    Joined
    Mar 2007
    Posts
    63

    plz help

    Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows.

    Person Dexterity Anxiety
    1 1 10
    2 1 8
    3 2 4
    4 4 _2




    c) Figure the correlation coefficient;

    d) Figure whether the correlation is statistically significant
    (Use the .05 significance level, two-tailed);

    t needed (df = 2 p .05) =
    r =
    t =

    Decision: reject the null hypothesis or do not reject the null hypothesis
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Aug 2007
    From
    USA
    Posts
    3,110
    Thanks
    2
    Don't you need a Null and Alternate Hypothesis before you start computing?

    Voice the hypotheses and let's see the computing.
    Follow Math Help Forum on Facebook and Google+

Search Tags


/mathhelpforum @mathhelpforum