Commonly cited in biology books , it outlines many important concepts , such as : In 1935 , he published by `` The Design of Experiments '' , which was `` also fundamental , [ and promoted ] statistical technique and application ... The mathematical justification of the methods was not stressed and proofs were often barely sketched or omitted altogether ... [ This ] led H.B. Mann to fill the gaps with a rigorous mathematical treatment in his treatise '' .
Fisher 's `` Design of Experiments '' ( 1935 ) was `` also fundamental , [ and promoted ] statistical technique and application ... The mathematical justification of the methods was not stressed and proofs were often barely sketched or omitted altogether ... [ This ] led H.B. Mann to fill the gaps with a rigorous mathematical treatment in his treatise '' .