When conducting an experiment about after-school sports, is a random sample of the student body representative of the entire student population?
yes or no
3 answers
Yes
A team of scientists was tasked with determining the health of salmon caught in Alaska. Which plan below will be the most efficient way to draw a reliable conclusion?
A) Study 10 salmon randomly selected from various fishing vessels
B) Study every salmon caught aboard one fishing vessel
A or B
A) Study 10 salmon randomly selected from various fishing vessels
B) Study every salmon caught aboard one fishing vessel
A or B
A) Study 10 salmon randomly selected from various fishing vessels