000 003870000a22001570004500
060 _a100
082 _a519.53 GRE
100 _aGrewal, P.S.
245 _aMethods of statistical analysis
250 _a2
260 _aNewdelhi, Sterling Publishers private Ltd
260 _c1990
300 _a1302
650 _aStatistics/ index numbers/ variance/ quality control
942 _cBK
999 _c212714
_d212714