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Math Help - need help plzz

  1. #1
    Junior Member
    Joined
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    Posts
    63

    need help plzz

    you are given the following data:
    number of absences final grade
    0 96
    1 91
    2 78
    2 83
    3 75
    3 62
    4 70
    5 68
    6 56
    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. #2
    Eater of Worlds
    galactus's Avatar
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    Chaneysville, PA
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    Do you have Excel?. It'll do this lickety-split.
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  3. #3
    Junior Member
    Joined
    Mar 2007
    Posts
    63
    number of absences final grade
    0 96
    1 91
    2 78
    2 83
    3 75
    3 62
    4 70
    5 68
    6 56

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  4. #4
    Junior Member
    Joined
    Jun 2007
    From
    el paso, TX
    Posts
    30
    so you reposted it? well that accomplished a lot, if you dont have excel this can also be solved easily with a TI-83 or 84 under the two-var stats section (you have two enter the data as a list first)
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