003380000a22001210004500060000800000082001500008100002200023245007800045260003300123260000900156300000800165650004300173  a100  a519.53 HOL  aHolscher, Harry H  aSimplified statistical analysis: handbook of methods, examples and tables  aMassachusetts, Cahners books  c1971  a235  aStatistics/ Statistical data- analysis