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Yup Fint,
My mistake, those are statistically significant (for both 9 and 13 y.o.).
What is the reason behind the climb in math since '78 (in your opinion)? That seems to be a trend which has been (somewhat) consistent and takes place in "the bad old" days before NCLB.
__________________
Tom
'71 911 T Targa (Sold  )
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