1. What years are included in this data set? What are the dimensions of the table and what are the variable or column names? 2. How do these numbers

1. What years are included in this data set? What are the dimensions of the table and what are the variable or column names? 2. How do these numbers compare to Arbuthnots? Similar scale? Larger? A lot larger? 3. Does Arbuthnots observation about boys being born in greater proportion than girls hold up in the U.S.? 4. Make a plot of the ratio of the number of boys born per year to the number of girls in the U.S. What do you see? 5. In what year did we see the most total number of births in the U.S.?