I would say 2 because it says he calculated his 2- score.
In this case, I say the answer is A because most short studies dont create valid samples. It all depends on what the short study was about...
Answer:
Option 2
Step-by-step explanation:
1/4 is equal to .25 or 25/100
0.05% of 40 is
0.02 Divide your decimal by 100:

Multiply your decimal with 40:
Answer:
36π in^2
Step-by-step explanation:
Area of a circle = π(6)^2 = 36π