Here's a solution
from a group at Salem Church Middle School,
which looks as if it may be in Virginia:

The solution to this problem is about 22.6 in the year 1968.
We got this answer by taking all the data and plotting it
on a piece of graph paper. We put the times on the Yaxis
and the years on the Xaxis.After all the data was plotted,
we looked at when the line crossed the year 1968 and that
is about the solution.
Cory Seay
Steven Whisenand
Michael Boyd
We are from Salem Church Middle School
Teacher: Mr. Twilley

And another one; it's not clear
where they're from:

We did Irena's Gold problem. First, we documented
the years and times of the Olympic runs.
We put the years on the xaxis and times of the runners on the yaxis.
We graphed it both on paper and on the TI83 graphing calculator.
And with the clues given in 1968 she ran a 22.8 second run.
Students involved,
Brian Harmen
Evan Miller
Bruce Privott

Thank you, both groups!
And thank you for your clear description of what you did.
So, everyone... how fast did she really run?
(It's easy to find on the web. Search for Szewinska.)
And what about the difference between the
two answers? Finally, what if you include the data from 1996 and 2000?
Does that change what you think? Here are those recent results:
Women's Olympic 200m
1996 MarieJose Perec (France) 22.12 seconds
2000 Marion Jones (USA) 21.84 seconds

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