Swivel rocks!

Swivel is a new web site that provides data sets on all kinds of stuff. The site will also run analyses and I am sure things much more complicated than I am able to understand on differing data sets.

I thought this was a funny set. I would like to see this data placed into a time series over the 47 years the data was collected from. I am curious to see how much smaller the more contemporary playmates are than the ones from years past.

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