SIMPLE Random Sampling Methods (12-3)
We want a representative sample. The best way to get a representative sample is to use a random sample. The best way to get a random sample is to use random sampling techniques. We can also use non-random sampling techniques. But…selecting a random sample does not guarantee it will be a representative sample, such as the 1969 Vietnam draft lottery. In a simple random sample every member of a population has an equal probability of being selected. The likelihood of being selected depends entirely upon chance or luck or randomness.