14. Archaeology: Skull Breadths from Different Epochs Samples of head breadths were obtained by measuring skulls of
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14. Archaeology: Skull Breadths from Different Epochs Samples of head breadths were obtained by measuring skulls of Egyptian males from three different epochs, and the measurements are listed below (based on data from Ancient Races of the Thebaid, by Thomson and Randall-Maciver). 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 do not all have the same mean. What do you conclude?
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12-2 One-Way ANOVA 653 4000 B.C. 1850 B.C. 150 A.D.
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 In Exercises 15 and 16, use the data set from Appendix B.
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