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Do people with longer feet have longer forearms?

September 19, 2019

After watering and measuring our plants…

…we looked at correlation in scatter plots again. We started with this image as inspiration.

We wondered if feet matched up with forearm length.

We measured, and put out table of values on desmos.

We noticed the trend was positive, weak, linear and partial.

We got desmos to do a linear regression for us, and then we estimated the forearm length of someone with 15cm feet to be 17cm.

Just for fun we used the equation that desmos gave us, and we calculated it too, using BEDMAS.

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