What are random samples and simple random samples?

This is a very vague area for new students in Statistics, especially for non-math students. Random Sample: Each member of the entire population has an equal chance of being selected. Simple...

each object/event/person/whatever is chosen randomly from the population.

the same chance of being selected for each person _________________ That is basically true, but it is a little more subtle than that. A random sample comes from a certain population, and you have to...

It means that every member of the population has the same probability of being included in the sample.

A random sample is a sample drawn in such a way that every item in the population has an equal and independent chance of being included in the sample. In real life, the ability to choose a random...