Question

1. which of the following would create a random sample of 8th grade students for a survey about lunch preferences?

a. asking the first 15 students who enter the cafeteria
b. surveying only students who volunteer to participate
c. giving each 8th grader a number and using a random number generator to select participants
d. selecting students who are on the honor roll

Explanation:

To create a random sample, each 8th grader should have an equal chance of being selected. Option A is a convenience sample (first 15 students in cafeteria), Option B is a voluntary response sample (only volunteers), Option D is a biased sample (only honor roll students). Option C uses a random number generator to select participants, ensuring randomness.

Answer:

C. Giving each 8th grader a number and using a random number generator to select participants