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Like all academic disciplines, statistics is best learnt by taking notes from a textbook and rereading one’s notes. However, this is not an option for businessmen and people in other fields (including some students). This work provides a concise introduction to statistics for such busy people and was written for a popular book series published by Kadokawa.
 
All the books in the series consist of 20 chapters, each divided into 5 sections. Every section is only 2 pages long with explanatory text on the left and tables or diagrams on the right. Each chapter is designed to be read in only 30 minutes, allowing the whole book to be completed in only 10 hours.
 
As the title suggests, the book contains some more advanced topics learnt in the later years of a university course in addition to first- and second-year introductory statistics. Some basic mathematical concepts are also included. The 20 chapters are organized into 4 parts. In Part 1, “An Invitation to Statistics”, the role played by statistics in society is described under four chapter headings: “Quantifying Concepts”, “Prediction”, “Investigating Hypotheses” and “Categorization”. Part 2 is titled “Reading Data” and deals with descriptive statistics, i.e. how information can be extracted from numerical data. It begins by providing basic k