For each of the following situations, answer questions a through e:

(a) What is the sample in the study?

(b) What is the population?

(c) What is the variable of interest?

(d) How many measurements were used in calculating the reported results?

(e) What measurement scale was used?

Situation A. A study of 300 households in a small southern town revealed that 20 percent had at least one school-age child present.

Situation B. A study of 250 patients admitted to a hospital during the past year revealed that, on the average, the patients lived 15 miles from the hospital.