Which option below best describes the difference between an experiment and an observational study?
1 answer:
An observation study is where nothing changes and you record what is seen. An experimental study you have a control group and a testable group.
The answer would be: .C. The groups in an experiment are chosen at random, but not in an observational study.
You might be interested in
I think the answer is x= -7 +7/2y
Answer:
x=
Answer:
580 is the answer i thik its helps u tqq
Step-by-step explanation:
ok,noted.
thank you for remind...
Answer:
I think it's a
I'm not that sure tho
