00429nam a2200157Ia 450000500170000000800460001703700120006304000210007504100130009608400240010910000170013324500420015026000490019230000150024165000150025620250508150228.0008 250505s9999 xx 000 0 eng d aTextual aFEDL bengcFEDL aeng2eng a001.4224, CHAqFEDL aChambers E G 0aStatistical calculation for beginners aCambridge bCambridge University Pressc1945 aviii,110p. aStatistics