Data: Same teams at NAQT Sectionals and ACF Fall and Regionals

In response to Mr. Adelman's point that a mean or median figure for the
fields was not meaningful in itself because a lot of low-end teams choose to
play NAQT exclusively, I took a look at the numbers for teams who played
both Division I NAQT Sectionals and one or both of ACF Fall and ACF
Regionals last year. Part of the working hypothesis here is that just about
everyone agrees that NAQT Sectionals are of appropriate difficulty, and thus
it constitutes a good baseline for gauging the difficulty of other
tournaments.

I found that the mean points per thousand available (PPK) for teams who
played both NAQT Sectionals and ACF Regionals was 284 at NAQT and 270 at
ACF, a 5% decrease from NAQT to ACF. 10 teams scored better at ACF Regionals
than at NAQT Sectionals, and 15 scored worse. Under the hypothesis that
analyzing these teams is the best way to gauge difficulty, this shows that
ACF Regionals is somewhat more difficult than NAQT Sectionals.

The mean PPK for teams who played both NAQT Sectionals and ACF Fall was 259
at NAQT and 330 at ACF, a 28% increase from NAQT to ACF. 18 teams scored
better at ACF Fall than at NAQT Sectionals, and 5 scored worse. Under the
above hypothesis, this shows that ACF Fall is much less difficult than NAQT
Sectionals.

The data are below if anyone else wants to do something with them. Some
notes: I assigned A, B, etc to teams from the same school based on their
ordering in PPK only (but with D1 teams always coming before D2), in order
to provide the most logical comparison across tournaments. I did not include
teams who played D2 at NAQT Sectionals in the calculations for ACF Fall and
Regionals, since the ACF tournaments were all held on one question set and,
with a single exception, as one division.

Sectionals vs. Regionals http://www.hsquizbowl.org/regionals.html
Sectionals vs. Fall http://www.hsquizbowl.org/fall.html
Date on all teams who played Sectionals in either division and played at
least one ACF tournament http://www.hsquizbowl.org/data.html

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