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Anthropology statistics
What was the age distribution of prehistoric Native Americans? Extended family group
of 80 members is now on the reservation. Estimate the mean age expressed in years for
this community, the sample variance and the sample standard deviation. For the class 31
and over, use 35.5 as the class midpoint.
Age Range (years)
Number of individuals
1-10
34
11-20 21-30
18
17
31 and over
11
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