00295nam a2200109Ia 450000500170000000800410001708200140005810000190007224500570009126000290014830000080017720260205052757.0260111s9999||||xx |||||||||||||| ||und||  a311  R11S  aRajamanickam M 0aStatistical methods in psychological and educational  aNew DelhibConceptc2001  a310