Web Reference: The value assigned to only one element is called an observation. For example, 600 is an observation. An observation is also called measurement. Variable. Anything that can take on different values is called a variable. Therefore, number of gifted students is a variable since it has different values. Sep 21, 2025 · The data in Figure 1.4 represent a data matrix, which is a convenient and common way to organize data, especially if collecting data in a spreadsheet. Each row of a data matrix corresponds to a unique case (observational unit), and each column corresponds to a variable. Basics 1.2 Data basics E ective organization and description of data is a rs. step in most analyses. This section introduces the data matrix for organizing data as well as some terminology about di erent forms of data that will be us.
YouTube Excerpt: This video was created by OpenIntro (http://www.openintro.org) and provides an overview of the content in Section 1.2 of ...
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