The text offers a concise explanation of basic statistical methods and demonstates the importance and application of statistics in such fields as finance, economics, marketing, management and science. The first 11 units deal with the techniques required by most introductory courses at BTEC National, GSCE and professional level. Data collection, index numbers and time-series analysis are covered. The units which follow contain material essential for more advanced courses and a discussion of interest and investment appraisal which will be especially useful to students of business and accountancy. Worked examples and exercises are included throughout the text, and there are also suggestions for projects to emphasize the practical applications of the subject matter.