Between an observational study and an experiment is that
O in an observational study, only one group is studied, and in an experiment, two group
O in an observational study, the researchers do not control treatment, and in an experi
O in an experiment, cause-and-effect is analyzed, and in an observational study, it is n
O in an experiment, one group is studied over a short period of time, and in an observa
longer period of time.
SEE R

hi,

3. 12.15, you are correct.

4.2.01, your first digit is correct,

hope this !

this was already solved by me with a different person. if you look it up in the search bar at the top of the page, you will get the answer.

step-by-step explanation:

coin flip

non-answer:

choosing

sorry if this isnt what you're looking for i dont really understand the question

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6