# Question 1 (Total marks: 15) The built-in R dataset 'mtcars' contains data on a series of classic cars sold in the us during the 197OsEAl]. Access the help file so you can learn a bit about these data. Execute the code immediately below to create a copy of the data frame and convert one of the variables to a factor. "'{r} _ r mt c- mtcars mt$cyl