The values in the table below are measured maximum breadths (in millimeters)

of male skulls from different epochs. Changes in head shape over time suggest that interbreeding occurred with immigrant populations. Use a 0.05 significance level to test the claim that the different epochs all have the same mean.
4000 BC: 131, 138, 125, 129, 132, 135, 132, 134, 138     1850 BC: 129, 135, 136, 137, 137, 127, 136, 136, 134     150AD: 128, 138, 136, 139, 141, 142, 137, 145, 137          Find the p value

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