00351nam a2200133 a 450000500170000000800410001704100080005808200100006610000210007624500430009725000120014026400410015230000240019320260717101001.0260717s1987    ii            000 0 eng d  aeng04a519.51 aPillai, R. S. N.10aPractical Statistics /cPillai, R.S.N.  a2nd ed. 1aNew Delhi :bS. Chand,cc1987, 2010.  avi, 832 p. ; 23 cm.