The file mobility.Rdata, available on Canvas, is the data on upward mobility in the U$.$S$.$ that you

saw during the first week of class. To complete the problems below, you must first have installed R$,$

RStudio, and the tidyverse packages. If you were able to follow along in the first recitation exercise,

you have already done these things. If not, see the instructions on Canvas.

$8.(12$ points$)$ Open the data file in RStudio. $($You can navigate to the file in the Files panel in

RStudio. You can also open the file from the file browser on your computer, but make sure it

opens in RStudio, not the R application.$)$ Click on mobility in the Environment panel, or type

View$($mobility$),$ to view the data. You can answer the questions in this problem simply by

browsing the data and the RStudio interface $$ that is$,$ no programming is necessary.