For each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible. Variable Type of Level of variable measurement X Quantitative Nominal (a) Temperature (in degrees Celsius) Ordinal Interval Categorical Ratio Quantitative Nominal (b) Playing time (in seconds) of a DVD Ordinal Categorical Interval Ratio Quantitative Nominal (c) Marital status (single or married) Ordinal Categorical Interval Ratio