Answer:
True
Step-by-step explanation:
Using a random chance procedure to assign subjects to treatment or control reduces bias. d. In a blind experiment, the subjects do not know whether they are in the treatment group or control group.
Answer:
C
Step-by-step explanation:
1.75n = 7 ( to isolate n divide both sides by 1.75 )
n =
= 4
It would be 46, have a nice day