Answer:
Population
Step-by-step explanation:
Population - 
It refers to as the complete set of samples , from which certain sample of specific features are selected , is referred to as population . 
For example , 
In a survey , total number of sample or people is referred to as the population ,
i.e. , 
It consists to as summation of the number of selected as well as non selected samples . 
Hence , from the given scenario of the question , 
The correct answer is Population .