Question: In a population of 500 tin plates, the number of plates with 0, 1, and 2 scratches is N0 = 190, N1 = 160, and N2 = 150.
(a) Identify the variable of interest and the statistical population.
(b) Is the variable of interest quantitative or qualitative?
(c) Is the variable of interest univariate, bivariate, or multivariate?