Question: 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

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 B.C 1850 B.C. 150 A.D.
130 129 128
138 135 138
125 136 135
129 138 139
132 137 141
135 128 142
132 136 136
134 138 145
138 134 137

Find the P-value.

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