Question $1$

Using the strings $=T$ argument in the read.csv$()$ function

A$.$ reads in data as character strings

B$.$ reads in csv files

C$.$ reads in character string data as a factor

Question $2$

Suppose you have a dataframe in R named "data". What would the following line of code produce?

data $10,7$

A$.$ the $7$th entry $($row$)$ in the $10$th column

B$.$ the $10$th entry $($row$)$ in the $7$ th column

Question $3$

Suppose you have a dataframe in R named "shipping". What would the following line of code produce?

mean$($ shipping$cost $[$shipping $ weight $>50])$

A$.$ average shipping cost for packages over $50$ pounds

B$.$ average shipping weight for high cost packages