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 Espanol the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible. Variable Type of Level of variable measurement X (a) Annual salary of a member of the Quantitative Nominal Ordinal shipping department Interval Categorical Ratio D Quantitative Nominal (b) Letter grade (A, B, C, D, or F) Ordinal Categorical Interval Ratio Quantitative Nominal (c) Temperature (in degrees Fahrenheit) Ordinal Categorical Interval Ratio