The data for this exercise is contained in player$\_$data.xls and provides the positions,

weights, and heights of NCAA rostered football players on UT$,$ Georgia State, and BYU football teams

from $2019-2020.$ These data were obtained from online published roster lists from each NCAA school.

Part I:

$1)$ Always, the first step of data analysis is a practical look at the data for each column and, then,

$$cleaning up$$ the data to prepare it for analysis. These data are taken from the university$-$

provided rosters. Make sure that are variable values used for each school are the same for the

nominal variables.

a$.$ Create a new column in your data set and group the positions into the following three

groups

i$.$ Line positions

ii$.$ Backs and receivers

iii. Kickers and special teams