Answer: The experiment is blinded because the volunteers in both groups are unaware of which dog food they received.
Answer:
Step-by-step explanation:
Range = maximum value - minimum value
= 25 - 6 = 19
Option D is the correct answer
Maybe if i add 10 + 30 is = 40 this is my answer
27/36 = n/4
27*4 = 36n
108 = 36n
108/36 = 36n/36
n = 3