A research group is interested in gauging perceptions about

A research group is interested in gauging perceptions about costs of textbooks among college students. Specifically, they wish to determine the percentage of first year students in the United States that believe costs of textbooks are too expensive. They use an alphabetized list of students of the state run universities and use technology to generate a randomly shuffled list of the students. They then select students to contact from this list until they have succeeded in contacting 200 students. Complete parts (a) through (d) below. What is the sampling frame? The research group 200 students The costs of textbooks The student listing from the state run universities What is the population parameter of interest? Proportion who believe costs of textbooks are too expensive How the costs of textbooks are too expensive Proportion who believe costs of textbooks are not too expensive The costs of textbooks

Solution

c)

The parameter of interest is the variable we want to describe the value of.

Here, according to the second sentence, it is the

OPTION A: PROPORTION WHO BELIEVE COSTS OF TEXTBOOKS ARE TOO EXPENSIVE. [ANSWER, OPTION A]