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Math Help - Need Help with calculating F critical value

  1. #1
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    Jul 2010
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    Need Help with calculating F critical value

    Hello all,

    I have been working on this problem for 3 or 4 days and I am not sure what I am doing wrong when I am calculating F critical value.

    Would someone please walk me through the problem?

    Question:

    Here is my data set.

    BR 1
    5, 9.5, 6, 7.3, 6.6, 7.9,
    BR 2
    8.2, 6.7, 6.9 , 7.2, 7.5, 8.6

    BR 3
    10, 7.5, 8.7, 8.4 , 7, 7.8

    BR 4
    7, 8.5, 6.7, 7.3, 7.2, 6.2
    A
    nd I am trying to calculate F Critical Value at 95% confidence.

    These are all the calculations I have that are right.

    What is the SUM of SQUARES (SS) for FACTOR? 5.1746
    What is the SUM of SQUARES (SS) for ERROR? 23.6717
    What is the SUM of SQUARES (SS) TOTAL? 28.8462
    What is the Degrees of Freedom (Df) for FACTOR? 3.0000
    What is the Degrees of Freedom (Df) for the ERROR term? 20.0000
    What is the Degrees of Freedom (Df) TOTAL? 23.0000
    What is the MEAN SQUARED (MS) for FACTOR? 1.7248
    What is the MEAN SQUARED (MS) for the ERROR term? 1.1836
    What is the F Calculated value? 1.5099



    Thanks for the help.
    Last edited by dawgfan01; July 19th 2010 at 06:22 PM. Reason: Tables were not legible
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