000			00459nam a2200169Ia 4500
008			160601s9999 xx 000 0 und d
100			_aRickmers, Albert D _93100
100			_aTodd, Hollis N _93101
245			_aStatistics an introduction
260			_aNew York
260			_bMcGraw - Hill book company
260			_c1967
300			_axiv, 585p.; 24cm.
650			_aFrequency distribution _93102
650			_aHypothesis _92940
650			_aStatistics _92892
999			_c933 _d933