00354nam a22001097a 4500020001800000082001600018100001600034245005300050260005000103300004200153650004900195  a9788173919688  a370.727 PAT  aPathak, R P  aStatistics in educational research /cR P Pathak  aNew Delhi [India] : Kanishka Publishers, 2007  a	x, 142 pages : illustrations ; 22 cm  aEducation -- Research -- Statistical methods