Am Assistant Professor Dr.  Mohammed Sinjary lecturer of Statistics and information department in Salahaddin University-Erbil with more than of 19 years of teaching Statistical ,study Sampling,Decision theory,Regression,Survey, SPSS, IT Programming and teach in gradate students MSC. also I work in KRSO (Kurdistan Region statistical Office- Erbil) 2002-2009 as (Manager of Research & publish ) . And I work in Board of Investment 2008-2010.