1. Understanding and Describing Data
Overview
By the end of this chapter, you will be able to explain data and statistics and classify data based on its characteristics. You will find out how to calculate basic univariate statistics of data and identify outliers. You will also learn how to use bivariate analysis to understand the relationship between two variables.
Introduction
Data collection and analysis is an old practice going back to the beginning of civilization. Records from ancient Egyptian papyrus suggest that pharaohs collected census information from villages, possibly to determine the number of soldiers that could be enlisted for the war. However, it was after the arrival of modern computers that the art of data analytics ...
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