Changes

'''Random sampling''' is a statistical technique which gives everyone in the target group the same opportunity to participate in a [[poll]].  

'''Random sampling''' is a statistical technique which gives everyone in the target group the same opportunity to participate in a [[poll]].  

An example is all eligible voters.

An example is all eligible voters being equally likely to be included in a poll. This method does not ensure accuracy, but increases its likelihood.

In statistical studies, '''random sampling''' refers to the extraction of values (''sampling'') of a designated input probability distribution for ensuing statistical calculations.

In statistical studies, '''random sampling''' refers to the extraction of values (''sampling'') of a designated input probability distribution for ensuing statistical calculations.