Discuss the below:
Age Distribution of Prehistoric Native Americans
Q: 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