Business Statisics: Communicating with Numbers (Fourth Edition)
Source: WeLibBusiness Statistics: Communicating with Numbers (4th Edition) by Sanjiv Jaggia and Alison Kelly introduces statistics as a practical tool for understanding and using data in business and economics.
The book starts with data collection and preparation, showing how raw information can be organized for analysis. It then explains descriptive statistics using tables, charts, and summary measures to highlight patterns in data.
Next, probability concepts and probability distributions are introduced to build a foundation for understanding uncertainty and variation. The text moves into statistical inference, covering sampling methods, estimation, hypothesis testing, and group comparisons.
Advanced topics include regression analysis, analysis of variance, forecasting, and time series. These methods help readers explore relationships between variables and make predictions.
Throughout, the focus is on communicating with numbers: interpreting results, writing clearly about data, and linking statistical findings to business decisions. The book also uses modern tools such as Excel and R, along with real business examples, to make statistical thinking practical and relevant for students.
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