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. Type of Level of Variable variable measurement X ONominal O Quantitative (a) Duration (in minutes) of a call to a O Ordinal customer support line OInterval O Categorical Ratio O Nominal Quantitative O Ordinal (b) Temperature (in degrees Celsius) O Interval O Categorical Ratio O Nominal Quantitative Ordinal (c) Name of cell phone service provider OInterval O Categorical Ratio