A study is going to be conducted in which the birth records for baby giraffes bo

Question

A study is going to be conducted in which the birth records for baby giraffes born in zoos throughout the US will be sampled. The study is going to focus on the survival rates of baby giraffes. What would be a cluster sampling for this study:

a. obtain lists of public and private zoos in the country, choose 5 public and 5 private zoos, then randomly select 20 births from each zoo to include in the study.

b: obtain a list of zoos in the country, choose 4 zoos at random and then choose all births at the 4 zoos to include in the study.

c: obtain a list of all giraffe births in the country and choose 200 births at random to include in the study.

d: obtain a list of all zoos in the country and choose 20 births at random from each of the zoos to include in the study.

Explanation / Answer

Here, selecting 4 zoos at random and then selecting all the births from those is cluster sampling.

So the correct answer is b

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.