What is population in statistics?

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       You might have heard about the term population a lots of times in statistics. It's a term which is used most frequently in the field of statistics. So, what is this  population? The most simple definition of population is that, a set or aggregate of some elements having similar characteristics, or the set of an experiment. 
      There are 6 types of population namely finite, infinite, animate, inanimate, existent and hypothetical.
      1. Finite population:- The population in which the total number of element is finite is called a finite population. Eg, total number of books in a library.
      2. Infinite population:- The population in which the total number of element is infinite is called a infinite population. Eg, the total number of Stars in the sky.
      3. Animate population:- The population in which the elements have life is called an animate population. Eg, the total number of people in a room.
      4. Inanimate population:- The population in which the elements don't have life is called an inanimate population. Eg, the total number of furniture in a room.
       5. Existent population:- The population in which the  elements have existence then the population is called an existent population. Eg, the population of pages of a book.
       6. Hypothetical population:- The population in which the  elements don't have existence then the population is called an existent population. Eg, the population of tossing of a coin to test the unbiasedness of the coin.
         So, this is the overall definition and types of the population. 

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