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The values in the accompanying table are a simple random sample of measured maximum breadths(in millimeters) of male skulls from different epochs. Changes in head

The values in the accompanying table are a simple random sample of 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.

calculate the test statistic F.

F=

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