The owner of a dance academy wants to know how many students would be interested in learning a rare tribal dance. Which sampling method will result in a sample that is not biased?
a. The owner questions students he personally knows because he thinks that they will speak honestly to him.

b. The owner puts questionnaires in the changing rooms for students to fill out and drop into a secure box.

c. The owner talks to every third student entering a ballet class that is about to start.

d. The owner lists the names of all the students and calls every fifth student

Question

The owner of a dance academy wants to know how many students would be interested in learning a rare tribal dance. Which sampling method will result in a sample that is not biased?
a.       The owner questions students he personally knows because he thinks that they will speak honestly to him.

   b.    The owner puts questionnaires in the changing rooms for students to fill out and drop into a secure box.

      c.  The owner talks to every third student entering a ballet class that is about to start.

       d. The owner lists the names of all the students and calls every fifth student

anonymous · Answer

i think the answer is d.. do you agree?

istim · Answer

Reasoning:
a-Limited; not including new upstarts.
b-Voluntary-Only people who would want it would answer.
c-Some students may only come monthly or weekly.
d. Includes all potential students.

anonymous · Answer

so the answer is d... you agree @istim??

campbell_st · Answer

d is a systematic sample.... and eliminates bias.

istim · Answer

Yes. I did give you a medal for a reason. Unless Campbell magically proves me wrong with math.

istim · Answer

Oh yay. I am right for once.

anonymous · Answer

yay! thanks ;) hahaa really appreciate the help :)

istim · Answer

Yup. Good luck in future studies then.