First download the data set Umfrage$2013$SoSe.csv from Blackboard and save it on your desktop. Umfrage$2013$SoSe.csv dataset from Blackboard and save it to the desktop.

a$)$ Import the dataset Umfrage$2013$SoSe.csv into R and save the data in a separate data object data in a separate data object, which you name data.

b$)$ Now enter the following commands:

mean$($GRO$)$

mean$($data$GRO$)$

What do you notice?

c$)$ We now want to take a quick look at the data that has been read in$.$ Use the head$()$ function and the str$()$ function. What information about the is provided about the data set that was read in$?$