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.Year1910192019301940195019601970198019902000Median Age25.124.624.324.322.822.823.224.726.126.8During what ten-year period did the average age increase the most?a.From 1970 to 1980b.From 1980 to 1990c.From 1910 to 1920d.From 1940 to 1950