The sixth edition of Statistics: - provides a first-class introduction to the subject with careful, lucid explanations; - discusses statistics in six parts: - Introduction - Compilation and presentation - Frequency distributions - Correlation - Time series and index numbers - Sampling theory and inference; - offers complete coverage of introductory professional and academic courses on statistics and quantitative methods; - features end-of-chapter assignments, numerous practice questions with worked answers and a large appendix of examination questions.