Answer:
Skull Breadths Maximum breadth of samples of male Egyptian skulls from 4000 B.C. and 150 A.D. (based on data from Ancient Races of the Thebaid by Thomson and Randall-Maciver):
4000 B.C.: 131 119 138 125 129 126 131 132 126 128 128 131
150 A.D.: 136 130 126 126 139 141 137 138 133 131 134 129
Changes in head sizes over time suggest interbreeding with people from other re- gions. Use confidence intervals to determine whether the head sizes appear to have changed from 4000 B.C. to 150 A.D.
Step-by-step explanation:
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