## Problem $1$

Run the command str$()$ on the dataframe OAW in the chunk below. Then answer the following questions.

$```\{$r$\}$

# Place your code here.

$```>$ View$($OAW$)$

Insert your answers following each question.

$1.$ How many observations and variables are in this dataframe?

$287708$

$2.$ List the categorical variables. They can be identified from the str$()$ output as "factor".

$3.$ List the quantitative variables.