A manufacturer of cat food is planning to survey households in the United States to determine purchasing habits of cat owners. Among the variables to be collected are the following:
i. The primary place of purchase for cat food
ii. Whether dry or moist cat food is purchased
iii. The number of cats living in the household
iv. Whether any cat living in the household is pedigreed
For each of the four items listed. indicate whether the variable is categorical. If it is numerical. Is it discrete or continuous?