First, you must assign a unique identifier to each item. Then you can use a random number table or a computerized random number generator to select your random samples.

Random-number functions and CALL routines generate streams of random numbers from an initial starting point, called a seed, that either the user or the computer clock supplies. A seed must be a ...

RANDARRAY (6,1,1,10) which returns a single list of six random numbers between 1 and 10. The INDEX () function uses those six random numbers to return names from the Table, Names.

Cryptographers use random numbers as a key in which to encode a message, thus thwarting code-busters looking for a pattern that can crack open its contents.