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Statistics
and Probability


Use groups of 4.
Materials: Yardstick
Are We Related?

Find and record the following measurements to the nearest inch for at least eight people: height and arm span (the distance from the tip of one outstretched arm to the other).

Copy the unfinished scatter plot shown below on a separate sheet of paper and plot the points for the data you collected. Is there a relationship between arm span and height? If so, what type of relationship is it?

Unfinished scatter plot