Convenience sample grab accidental sampling,or opportunity sampling statistic method non-probability technique vector premium vector by bakhtiarzein

> DOWNLOAD THIS IMAGE <

Please buy a commercial licence for commercial use without attribution.
vector graphic illustration business customer market people concept data measuring measurement sample marketing study target size crowd social research random distribution analysis chart mathematics statistics survey cluster population stats statistic method demographic poll qualitative techniques polling probability Sampling methodology systematic Census probabilistic quantitative demographics scientific research collecting data statistics method

Categories:Array ( ) 1