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Data Set

A data set is a collection of observations. That could be, for example, the heights of employees in a company.
Employee Height
Madzia ft in.
Magda ft in.
Ignacio ft in.
Henrik ft in.
Ali ft in.
Diego ft in.
Miłosz ft in.
Paulina ft in.
Aybuke ft in.
Mateusz ft in.
Gamze ft in.
Marcin ft in.
Marcial ft in.
Heichi ft in.
Arkadiusz ft in.
Enrique ft in.
Aleksandra ft in.
Mateusz ft in.
Jordan ft in.
Paula ft in.
MacKenzie ft in.
Joe ft in.
Flavio ft in.
Jeremy ft in.

A single value, such as an individual student's height within the class, can be called a data point. A data set can be represented using different types of graphs. For example, the average temperature for each month of of a city can be plotted on a line graph.