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    Age Distribution of Prehistoric Native Americans

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    This is a 3 step problem requested as an example however we have not gone over how to do this yet, I need help with understanding these steps. I have a chart with the greek letters and numbers but am not sure how to put this in order. It is requested to answer and show work so whatever help you may offer will help me better understand.

    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) 1-10 11-20 21-30 31 and over
    Number of individuals 34 18 17 11

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    https://brainmass.com/statistics/dispersion-and-spread-of-data/age-distribution-prehistoric-native-americans-209326

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    This is a 3 step problem requested as an example however we have not gone over how to do this yet, I need help with understanding these steps. I have a chart with the greek letters and numbers but am not sure how to put this in order. It is requested tyo answer and show work so whatever help you may offer will help me better ...

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    This response provides a tutorial for the age distribution of prehistoric Native Americans. The mean age is also estimated.

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