00294nam a2200133Ia 4500020000900000082000800009100003400017245003500051250000800086260004000094300000800134500000900142650000900151  aNULL  a519  aShukla, M. C./ Gulshan, S. S. 0aStatistics Theory And Problems  a5th  aN. DelhibS. Chand and Company Ltd.  a859  a2577  a-NA-