City Hi Lo Condition Acapulco 99 77 pc Bangkok 92 78 pc Mexico City 77 57 sh Montreal 72 56 pc Paris 77 58 C Rome 88 68 cl Toronto 78 61 C a. How many elements are in this data set? b. How many variables are in this data set? c. How many observations are in this data set? d. Name the scale of measurement for each of the variables. e. Name the variables and indicate whether they are categorical or quantitative. O f . For which variables are arithmetic operations appropriate, and for which are they not