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When do we use dot plots?

When do we use dot plots?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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When do we use dot plots?
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Step 1

Dot plots:

A number of data points are plotted on a simple scale in a statistical chart known as a dot chart or dot plot. For continuous, quantitative, univariate data, dot charts are utilised.

If there are few data points, they may be labelled.

One of the simplest statistical plots, dot plots work best with small to medium-sized data sets. They are helpful for drawing attention to outliers, gaps, and clusters. The preservation of numerical information is another benefit. Dot plots may become overly cluttered when dealing with bigger data sets (about 20–30 or more data points), hence it may be more effective to use the related stemplot, box plot, or histogram.

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