000 003300000a22001450004500
060 _a100
082 _a519.5 SPI
100 _aSpiegel, M R
245 _aTheory and problems of statistics
260 _aNewyork, Mc graw hill
260 _c1973
300 _a262
650 _aFrequency distribution/statistics
942 _cBK
999 _c358541
_d358541