You wish to survey the students at your college to determine their feelings about the quality of services in the student center. Which of the following sampling designs is best for avoiding bias?
A) Place an ad in the student newspaper asking all readers to mail in their opinions.
B) Obtain a list of student names from the registrar and select 250 names to contact.
C) Air an announcement on the campus radio station asking all listeners to phone in their opinions.
D) Survey every 10th student who enters the student center.

Question

Quizplus · Accepted Answer

Option B is the best choice for avoiding bias because it involves a random selection of students from the entire student population, ensuring that every student has an equal chance of being included in the sample. This method reduces the likelihood of bias that can occur with self-selection or convenience sampling methods.

You Wish to Survey the Students at Your College to Determine