Take from : https://imadeputrawan.wordpress.com/statistic/ Sample could be said homogeneous when it has a characteristic that it was derive from the representative population. However, it is hard for any researchers when he/she is assigned to determine population which actually it is abstract. Population related to data not number of person involved in research chosen to be respondents. When someone put hypothesis to be verified, means that this hypothesis is a population. Researchers do only recognize a number of list of names with a specific amount called sampling frame. From this sampling frame we are allowed to select part of them as a representative of the whole population. Fortunately, we are allowed to take part of the population which is called sample. Imagined when we do our research by taking all population, we are not able to verify scientifically unless we take part of them randomly, we call it sample. The question, then arise, is it going to be the same c...
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