📮 Data Analysis for Business Decisions, 3E by Andres Fortino (.PDF)

In today’s data-driven world, the ability to analyze and interpret data is no longer optional―it’s a necessity for making informed business decisions. This book provides a comprehensive, hands-on guide to mastering the essential techniques and tools that empower business analysts to transform raw data into actionable insights. Packed with practical exercises and real-world case studies, this book focuses on applying statistical methods across the most widely used tools, including Excel, R, Python, and Generative AI platforms like ChatGPT. Key topics include framing analytical questions, descriptive and advanced statistical techniques, text analytics and A/B testing, and big data and visualization. Whether analyzing sales trends, optimizing marketing strategies, or improving operational efficiency, you’ll gain the skills to make data-backed decisions that drive business success. The book introduces a comprehensive suite of analysis tools that form the backbone of modern data analysis and statistical computing. Detailed instructions on how to install and use Excel’s Analysis ToolPak, R and its interface Jamovi, and Generative AI tools like ChatGPT are provided.

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