Answer:
D.) They must be representative of the population.
Explanation:
In general a sample collected from a set of naturally distributed data set must also follow the bell curve or natural distribution
In other way round it can be said that sample set must have the same characteristics as that of the main set and hence a sample must be representative of the population.
Option D is correct
Explanation:
They are all landscapes of something in nature or the city and they are different because they are of different places. I don't know if that is what you are looking for but there you go.
Answer:
A
Explanation:
Because something happens and then she becomes a better person. That's how most stories end.
