Lesson One
Lesson
Introduction <br> So far in this course, we have done a great deal of analysis and made many graphs. But you might have noticed that we haven’t done much calculation. Our analyses have been largely qualitative. We might see that men are older than women when they get married, but we haven’t calculated how much older. <br> In this lesson, you will: Learn quantitative techniques, and see when and why to use them. Use dividers to mark the centers of distributions Use the median function to compare the centers of distributions objectively