Which of the following statement is true about the simple random sample?
1
Every unit that constitutes the population has an equal chance of being paired with another unit in that given population as component of the sample.
2
Every unit has an equal chance of being selected as part of the sample.
3
Each sample of a fixed size in a given population has equal chance of being selected as the sample.
4
More than one of the above
5
None of the above