Mathematics, 22.04.2021 06:00, jayy1733
What was the age distribution of prehistoric Native Americans? Extensive anthropological studies in the southwestern United States gave the following information about a prehistoric extended family group of 77 members on what is now a Native American reservation. For this community, estimate the mean age expressed in years, the sample variance, and the sample standard deviation. For the class 31 and over, use 35.5 as the class midpoint. (Round your answers to one decimal place.)
Age range (years) 1-10 11-20 21-30 31 and over
Number of individuals 30 16 20 11
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Answers: 3
Mathematics, 21.06.2019 15:20, brittanyjacob8
Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?
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Mathematics, 21.06.2019 19:00, DestyHilBan1183
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What was the age distribution of prehistoric Native Americans? Extensive anthropological studies in...
English, 25.04.2020 04:25