6. Be able to identify different kinds of variables. a) Example: Identify the following quantitative variables as discrete or continuous. the average height of players on Urbana University's men's football team the speed of the boat's propeller, in revolutions per minute the number of crew members in an airplane the average weight of newborn babies the distance of your commute from your home to work the number of steps in a stairway the amount of charge left in the battery of a tablet computer the number of credit hours you take this term b) Example: Identify the following qualitative variables as nominal or ordinal. The colors of your favorite sports team The pizza sizes as small, medium, large or extra large The categories of games in the Olympics . The gold medal, the silver medal and the bronze medal in the Olympics The names of the countries participating in FIFA World Cup The courses you take this term . The letter grades that are assigned in a class. Social security numbers of US citizens The year of high school students as freshman, sophomore, junior and senior