Using the Explore procedure, separate the statistics for AGEKDBRN for men and women, selecting SEX as a factor variable in the Explore window. Click on Analyze, Descriptive Statistics, Explore, and then insert AGEKDBRN into the Dependent List and SEX in the Factor List. What differences exist in the age of men and women at the birth of their first child? Assess the differences between men and women based on measures of central tendency and variability.