Estimate of the raw cutoff scores:
This is just my estimate.
These are the parameters. Pass rate for Pt 1=45%, for Pt , 55%.
GARP, in the past, had mentioned in its website (not sure if still valid) , that they take the top 5% and base t h e cutoff mark on that score.
On a 100-qn test, assume 95th percentile is 90 correct questions (realistic).
Let m=mean, s= std dev
Assuming normal dist, (90- m)/s=1.64
Now, in most standard tests, like SAT, GRE, etc, s = m/5.
Example: in SAT, if the mean is 500, 600 is 1 std dev.
Let P = passing score w h ere the pass rates are 45% for Pt 1 and 55% for Pt, we can now solve for P.
I solved this and came up with:
Raw pass score for Pt 1 = 69.5 (out of 100)
Raw pass score for Pt 2 = 52.8 (out of 80)
Just my estimate folks.
Good luck to all.
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