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This is the fourth edition of the textbook Inferential Statistics: Hypothesis Testing and Decision-making, first published in 1995. It has been renamed Inferential Data Analysis to emphasise the role of statistics as a tool in the research process rather than an end in itself. The book adopts a decision-making approach, aiming to contextualise statistics for making decisions about hypotheses.This edition has been substantially revised, both in content and in alignment with the latest versions of SPSS and Excel. It now includes:-an overview of basic descriptive statistics,-guidance on using...