Tableau Certified Data Analyst Certification Guide

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Connecting to Data

Introduction to Data

You are likely to have a basic grasp of the concept of data – it is difficult to avoid in a world increasingly driven by information, in which this information is both easier to gather and more valuable than ever. However, it is useful to begin with a basic definition.

Take, for example, a coffee chain store. Every day for the past five years, there has been an abundance of data collected for the number of sales, the number of cups of coffee sold, the different types of coffee sold, and even the stocks of coffee. A regional store manager may want to be able to see how well their sales are doing, which stores are performing best, and whether their specialty drinks are selling better than the classics. ...