A video game was previewed to a group of 30 teenagers. The teens were asked to rate the quality of the graphics and indicate if the game was too violent. (a) Identify whether the data are cross...

A video game was previewed to a group of 30 teenagers. The teens were asked to rate the quality of the graphics and indicate if the game was too violent.

(a) Identify whether the data are cross sectional or a time series.

(b) Give a name to each variable and indicate if the variable is categorical, ordinal, or numerical (if a variable is numerical, include its units if possible).

(c) List any concerns that you might have for the accuracy of the data.