What does this mean I don't understand sorry I can't help!
Answer:
<h2>25</h2>
Step-by-step explanation:

Answer will be 1..hope it helped
Answer:
It is stratified random sampling.
Step-by-step explanation:
Stratified random sampling is a method of sampling that involves the division of a population into smaller sub-groups known as <em>strata.</em>
The strata are formed based on members' shared attributes or characteristics, in this case their race.
Stratified random sampling is also called <em>proportional random sampling</em> or <em>quota random sampling</em>