Has the marrying age of a man changed over the years? The United States Bureau of the Census takes a formal count of everyone in the U. S. every 10 years and has provided the following data that gives the median age of an American man at
the time of his first marriage.
Year
Median Age
1910
(25.1
(1920
|24.6
1930
|24.3
(1940
124.3
(1950
122.8
1960
22.8
(1970
23.2
(1980
124.7
(1990
26.1
12000
26.8
Determine the average rate of change in median age per year from 1930 to 1960.
a. -0.5 years of age per year
b. 20 years of age per year
-0.05 years of age per year
d +0.05 years of age per year
C