At a particular college, 78% of all students are receiving some kind of financial aid. The school newspaper selects a random sample of 100 students and 72% of the respondents say they are receiving some sort of financial aid. Which of the following is true?

a. 78% is a population and 72% is a sample.

b. 72% is a population and 78% is a sample.

c. 78% is a parameter and 72% is a statistic.

d. 72% is a parameter and 78% is a statistic.

e. 72% is a parameter and 100 is a statistic.

Select the best answer.