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This chapter is from the book

One-Minute Summary

To understand statistics, you must first master the basic vocabulary presented in this chapter. You have also been introduced to data collection, the various sources of data, sampling methods, as well as the types of variables used in statistical analysis. The remaining chapters of this book focus on four important reasons for learning statistics:

  • To present and describe information (Chapters 2 and 3)

  • To draw conclusions about populations based only on sample results (Chapters 4 through 9)

  • To obtain reliable forecasts (Chapter 10)

  • To improve processes (Chapter 11)

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