Mr.Ahmed Shamar Yadgar, lecturer in the department of business administration, college of administrative and financial science. He work at Al kitab university as an assistant teacher in the department of business administration at the time and continued his studies at the doctoral level at the university of Baghdad in the fields of statistics. His research interests are primely in the areas of statistical models for time series, and in statistical method applied to problems in health services research. He serves as an member of the Iraqi statistical association’s board of directors.