Classify each of the following variables as qualitative or q…

Classify each of the following variables as qualitative or quantitative.  Then further classify the qualitative variables as ordinal or nominal and the quantitative variables as discrete or continuous. [A] Occupation [B] Length of time to hold your breath [C] Movie Ratings, such as G, PG, PG-13, R [D] Weight [E] Number of automobiles owned

For each of the following statements, determine if it is des…

For each of the following statements, determine if it is describing a randomized controlled experiment or an observational study or both. [A] Has a treatment group and a control group. [B] Subjects assign themselves to a group. [C] Can be run double-blind. [D] Researchers can determine causation.