00381nam a2200169 a 450000500170000002000180001708200150003510000190005024500270006925000120009626000360010830000320014460000080017663000150018485600060019985600060020520251219155825.0  a9789351611769  a519.5bGUP  aGupta, S.P.d_  aStatistical methodsb_  a46th ed  aNew DelhibS Chand & sonsc2022  avarious paging . 24 cm.bPB  bc_  aStatistics  f_  a_