ばいちょ(売価調査)、価格比較とネットでのお買い物を楽に

内容説明 This handy guide gives the novice researcher a clear description of the standard tools of the trade. Unlike some texts which focus on either design or statistics， this book covers the fundamentals of design， together with experiments and observational methods. There is an exposition of major tests of significance with formulas plus easy verbal interpretations， and ?boxes? embedded in the text contain prototypic applications.