Below is a table showing population age group projections made
Below is a table showing population age group projections made by the US Census Bureau for the year 2025
Age Group Number of People (millions)
0 to under 20………….. 94.3
20 to under 40………… 92.9
40 to under 60…………….. 85.0
60 to under 80……….. 70.3
80 to under 100………… 14.8
100 to 120………….. .1
Total = 357.4
a. Convert the frequency table to a relative frequency table.
b. Use the relative frequency table to approximate the mean, variance and standard deviation for the age data represented.
Below is a table showing population age group projections made
