@incollection{, EFB547EE254F0FB988121526EB5A5C67 , author={{Endris AssenEbrahim} and {Debre Tabor University, Ethiopia}}, journal={{Global Journal of Human Social Sciences}}, journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS, address={Cambridge, United States}, publisher={Global Journals Organisation}1622547 } @incollection{b0, , title={{Ways to Evaluate the Assumption of Normality}} , author={{ SAAlyee }} , booktitle={{Paper Presented at Annual Meeting of the Southwestern Psychological Association}} , year={1998} } @incollection{b1, , title={{Personal, Family and Academic Factors Affecting Low Achievement in Secondary School}} , author={{ LAntonia }} , journal={{Journal of Research in Education Psychology and Psycho Pedagogy}} 1696-2095 , year={2002} } @book{b2, , title={{}} , author={{ TBurdenski } and { ATexas } and { MUniversity }} , year={2000} } @book{b3, , title={{Bivariate, and Multivariate Normality Using Graphical and Statistical Procedures, Multiple Linear Regression View Points}} Evaluating Univariate } @book{b4, , author={{ LChristopher } and { TSarah }} , title={{Charter, Private, Public Schools and Academic Achievement: New Evidence from NAEP Mathematics Data}} Columbia , year={2006} } @book{b5, , title={{Sampling Techniques}} , author={{ WGCochran }} , year={1997} , publisher={John Wiley and Sons} , address={New York} } @book{b6, , title={{Summary and Statistical Report of 2007 Population and Housing Census}} , author={{ Csa }} , year={2008} , address={Addis Abeba, Ethiopia} } @book{b7, , title={{School Based Factors Contributing to Differences in Students' Achievement Between High and Low Passing Rate Scorers of Government Secondary Schools of Addis Ababa at National Examination, Faculty of Education}} , author={{ WGetahun }} , year={2002} , address={Ethiopia} Addis Ababa University } @book{b8, , title={{Statistical Analysis of Determinants of Academic Performance of Students at Government Schools and University Levels, Thesis}} , author={{ THanna }} , year={2010} , address={Ethiopia} Department of Statistics, Hawassa University } @book{b9, , title={{Pearson Prentice Hall, Trademark of Pearson Education}} , author={{ AJohnson }} , year={2007} 7458 , address={Upper Saddle River, New Jersey} , note={Applied Multivariate Statistical Analysis} } @book{b10, , author={{ MKassahun } and { TZelalem }} , title={{Assessment on the Impact of Plasma Television Implementation on the Teaching Learning Process of Mathematics Class: The Case on Selected High Schools}} Jimma, Ethiopia , year={2006} Mathematics Department, Education Faculty, Jimma University } @book{b11, , title={{}} , author={{ YNigussie }} , year={2010} } @book{b12, , title={{Multilevel Analysis of Determinants of Academic Achievement of Grade Eight Students: A Case Study at Hawassa Town}} } @book{b13, , title={{}} , author={{ MSc }} , address={Ethiopia} Thesis. Hawassa University } @book{b14, , title={{The Content Validity of the Ethiopian General Secondary Education Certificate English Examination, M.Sc Thesis in Curriculum and Instruction}} , author={{ TNugussie }} , year={2002} , publisher={Addis Ababa University} } @book{b15, , title={{Understanding Female Students' Academic Performance: An Exploration of the Situation in South Nations Nationalities and Peoples Regional State}} , author={{ STadesse }} , year={2009} , publisher={International Institute of Social Studies} , address={Ethiopia} } @book{b16, , title={{World Data on Education}} , author={{ Unesco-Wde }} , year={2007} , address={Ethiopia} } @book{b17, , title={{Statistical Alchemy-The Use of Factor Scores in Linear Regression}} , author={{ CZuccaro }} , year={2007} } @book{b18, , author={{ OAdebola } and { IAdemola }} , title={{School Quality Factors And Secondary School Students' Achievement In Mathematics In South-Western And North-Central Nigeria, the African Symposium: An online journal of the African Educational Research Network}} , year={2011} } @book{b19, , title={{Factors Affecting the National Achievement Test Performance Of Selected Second Year High School Students}} , author={{ NAnastacia }} , year={20011} , address={In Santa Maria, Bulacan} } @book{b20, , title={{Factors Affecting the Academic Achievement of Turkish Urban Poor}} , author={{ CEngin-Demir }} , year={2009} }