Age of the Bride A sociologist feels that the median age at which women marry in Cook County, Illinois, is less than the median age throughout the United States (25.8, obtained from data from the U.S....

Age of the BrideA sociologist feels that the median age at which women marry in Cook County, Illinois, is less than the median age throughout the United States (25.8, obtained from data from the U.S. Census Bureau). Based on a random sample of 20 marriage certificates from the county, she obtains the ages shown in the following table:

Do the data support the sociologist’s feelings at the α = 0.05 level of significance?