00432nam a22001337a 4500020001800000082001900018100001800037245003900055260004000094300001900134500010500153650002400258650001600282  a9788120720022  a519.5  bAGG/S  aAggarwal, Y P  aStatistical methods/cY P Aggarwal  aNoida:bSterling publishers,c2018.  a387p. ;b21cm.  aFor students of education, psychology, economics, commerce, management, social work and life science  aStatistical methods  aComputation