영문교정예1 영문교정전문업체의 영문교정 엿보기 영문교정전문업체들은 어떻게 교정하는 지 살짝 엿보았습니다.The sampling method I used onin this study was fairunbiased, [Note: See Editor’s Note #1.] but there are a few aspects of things I would improve the way of sampling that could be improved. First of all, I used the systematic sampling method was used to sample from only one particular type of a share, “Iinvestment Ttrusts. It This caused a data bias, because I actu.. 2007. 9. 10.   댓글  이전 1 다음 반응형