00776nam a2200265 a 450000100060000000300090000600500170001500800410003201500140007302000150008702000150010203500120011704000280012905000140015708200120017110000300018324500520021326000730026530000240033850400510036252600090041365000280042265000190045085200410046935588BD-DhAAL20211130154622.0191104t19731967enka     b    00100 eng d  aB67-10495  a0340078693  a0340118458  a2076110  dSCAEdVBXdSLdBD-DhAAL00aLB2846.L41 a370.1821 aLewis, D. G.q(D. Gerwyn)10aStatistical methods in education /cD.G. Lewis.  aLondon :bUniversity of London Press,c1967 [Fourth impression 1973]  a199 pages ;c23 cm.  aIncludes bibliographical references and index.  aBIED 0aEducational statistics. 0aSocial science  aAyesha Abed LibrarycBIED Collection