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ANOVA for Egyptian skulls data

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The values in the table are measured maximum breaths of male Egyptian skulls from time periods. Changing in head shape over time suggest that interbreading occurred with immigrant populations. Use a 0.05 level significance to test the claim that the different time periods do not all have the same mean.

4000BC 1850BC 150AD

131 129 128
138 134 138
125 136 136
129 137 139
132 137 141
135 129 142
132 136 137
134 138 145
138 134 137

Do I reject the hypothesis that the means are the same: at least one of the means is different? Or accept the hypothesis that the means are all the same?

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ANOVA for Egyptian skulls data is given in the answer.

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