Читать книгу Statistical Analysis with Excel For Dummies - Joseph Schmuller - Страница 11

IN THIS CHAPTER

Introducing statistical concepts

Generalizing from samples to populations

Getting into probability

Making decisions

Understanding important Excel fundamentals

The field of statistics is all about decision-making — decision-making based on groups of numbers. Statisticians constantly ask questions: What do the numbers tell us? What are the trends? What predictions can we make? What conclusions can we draw?

To answer these questions, statisticians have developed an impressive array of analytical tools. These tools help us make sense of the mountains of data that are out there waiting for us to delve into, and to understand the numbers we generate in the course of our own work.