Thirty students are randomly sampled about their hair color.
This is for two reasons,. Firstly, randomness is very important in drawing conclusions. Secondly, it is less of an opinion question and more fact based.
Substitution.
Elimination.
Using a Combination of methods.
Using absolute value
I hope this helps!
Answer:
3
Step-by-step explanation:
I'm just guessing because you don't give any numbers or anything at all
