Stratified Sampling Websites:
datamineit.com
DataMineIt - When You Need to Know
DataMineit is a consultancy providing statistical and econometric modeling, risk analytics, and algorithm development primarily to the banking, finance, and consulting sectors.
ijecce.org
Home | International Journal of Electronics Communication and Computer...
International, Journal,Computer Science, Engineering, Information, Technology, Electronics, Communication, Electrical, Telecommunication, Mechanical,...