1. Classify each of the following variables as either quantitative or qualitative; if quantitative, specify whether it is discrete or continuous; if qualitative whether it is ordinal or nominal.
(i) Additive Type, (A, B, or C);
(ii) Additive Concentration, (moles/liter);
(iii) Heat Condition, (Low, Medium High);
(iv) Agitation rate, (rpm);
(v) Total reactor Vol- ume, (liters);
(vi) Number of reactors in ensemble, (1, 2, or 3).
2. The Lucas (1985) study of Exercise 12.3 involved the following variables:
(i) Period, (I, II); (ii) Length of Study, (Years); (iii) Number of accidents; (iv) Type of Accident; (v) Time between accidents.
Classify each variable as either quantitative or qualitative; if quantitative, specify whether it is discrete or continuous; if qualitative whether it is ordinal or nominal.