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    Bias and cocked hats
    From: Dave Walden
    Date: 2007 Apr 18, 16:14 -0700
    For three equally spaced observations with constant bias from -1 min to 1 min and independent normally distributed random errors with standard deviation labeled sd results from the previously listed FORTRAN Monte-Carlo simulation using 100,000 runs are as shown.
     
    Results can be nondimensionalized by sd.
     
     
     
                         sd=.5 0.25 1
    -1 93% 100% 60%
    -0.9 90% 100% 55%
    -0.8 85% 100% 50%
    -0.7 78% 99% 45%
    -0.6 69% 98% 40%
    -0.5 60% 93% 36%
    -0.4 50% 85% 32%
    -0.3 40% 69% 29%
    -0.2 32% 50% 27%
    -0.1 27% 32% 26%
    0 25% 25% 25%
    0.1 27% 33% 26%
    0.2 33% 50% 27%
    0.3 41% 70% 29%
    0.4 50% 84% 33%
    0.5 60% 93% 36%
    0.6 70% 98% 41%
    0.7 78% 99% 45%
    0.8 84% 100% 50%
    0.9 90% 100% 55%
    1 93% 100% 60%
     


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    File: 102613.biasplot.doc
       
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