Use the Following to Answer the Questions Below

Use the following to answer the questions below:
A group of researchers investigated the effect of media usage (whether or not subjects watch television or use the Internet) in the bedroom on "Tiredness" during the day (measured on a 50 point scale) .
-Identify the variables described and whether they are categorical or quantitative.

A) Media usage in the bedroom = Categorical; "Tiredness" = Quantitative
B) Media usage in the bedroom = Quantitative; "Tiredness" = Categorical
C) Media usage in the bedroom = Categorical; "Tiredness" = Categorical
D) Media usage in the bedroom = Quantitative; "Tiredness" = Quantitative