The specific characteristic of sample is known as:

Statistic

The correct answer is Option (3) - Statistic

$\text{A characteristic describing a sample is called a statistic.}$

$(A)\;\text{Parameter – describes a population}.$

$(B)\;\text{Mean – a specific measure, not the general term}.$

$(C)\;\text{Statistic – describes a sample}.$

$(D)\;\text{Variance – a specific measure}.$

$\text{Correct option: Statistic}.$