Only this time, just take a random sampling of the student body.

In the second stage, simple random sampling is usually used.

What follows is a random sampling from a broad field.

A genuine random sampling of 1000 people should give pretty good accuracy.

The reason is simple: most lack the home phone number needed for random sampling.

The test used a random sampling of 2,000 people.

It might have been a random sampling of a primitive town.

Also because of the random sampling there is a trade off between accuracy and efficiency.

I certainly feel that random sampling is something we are going to have to learn to live with.

One can see from this that random sampling is not at all the same as what we might call 'personal choice'.