Question

The early human ancestors were similar in shape to most large primates. The data below are...

The early human ancestors were similar in shape to most large primates. The data below are average male hind limb and forelimb lengths for different species of early homonins (humans and their ancestors). The relatively short hind limbs are thought to represent evolutionary specialization for vertical climbing.

Hind limb (mm) Forelimb (mm)

471 458

361 514

399   581

557   739

553   553

574   614

857   595

698 762

What is the value of the correlation coefficient for these data?

a.

0.204
b.

0.422
c.

0.459
d.

None of these
Math   Statistics-And-Probability   
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