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Thread: Correllation Coefficient

  1. April 13th 2007, 08:34 AM #1
    gracy
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    Correllation Coefficient

    10. You are given the following data.

    a.Make a scatter plot for the data.
    b.Find the correlation coefficient for the data.
    c.Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
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  2. April 13th 2007, 08:55 AM #2
    CaptainBlack
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    Quote Originally Posted by gracy View Post
    10. You are given the following data.

    a.Make a scatter plot for the data.
    Scatter plot in attachment

    RonL
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  3. April 13th 2007, 08:59 AM #3
    CaptainBlack
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    Quote Originally Posted by gracy View Post
    10. You are given the following data.
    b.Find the correlation coefficient for the data.

    See attachment for how to calculate the correlation coefficient.

    Calculation in attached spreadsheet

    RonL
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  4. April 13th 2007, 09:13 AM #4
    CaptainBlack
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    Quote Originally Posted by gracy View Post
    c.Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
    I'm getting a bit tired at this point so I will just point you at the following
    link.

    RonL
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