References

1. Myers, Raymond H., Classical and modern regression with applications, Boston, USA, 1986.
   
   
2. Weisberg, Sanford, Applied linear regression, New York, USA, 1980.
   
   
3. Richard F. Gunst, Robert L. Mason,Regression analysis and its application : a data-oriented approach , New York, USA, 1980.
   
   
4. Samprit Chatterjee, Bertram Price, Regression analysis by example, New York, USA, 1977.
   
   
5. Dianne Dobbs Wood, "A regression analysis of Calculus I grades as a function of orientation examination scores," Ph.D. Thesis, Mississippi State University, August 1965.