1. For each of the following problems, indicate how you would carry out a sample survey by first specifying these entities: (i) The population (ii) The survey variable(s) (iii) The elements of the population (iv) The frame (v) The sampling (enumeration) units

a. Suppose we wish to estimate the average cost of an appendectomy in a certain province. There are 27 hospitals in this province.

b. Suppose we wish to do a nutritional survey in order to estimate the average amount of fiber consumed by individuals in a certain city but there is a map of the city showing each block in detail.

c. Suppose we are interested in the proportion of calves who die prior to the first year of life at all dairy farms in a particular province.