Answer:
0.5
Step-by-step explanation:
Answer:
i think its 1.7 if this is correct can u mark me brainliest
Step-by-step explanation:
Hey there!!
25 is the answer
Hope this helps. c:
Answer:
A
Step-by-step explanation:
Basically, this is an observational study because the researcher does not apply any treatment.
It's not an experiment because there is no experimentation involved. :)
It's not double-blind because in that case the researcher would have to apply something to two kinds of groups. one aware one the other not. not the case.
It's not D because The observations are comparing two kinds of subjects and they are not looking for a cause and effect.
