Histograms and Data Visualization Quiz

A numerical variable is discrete if its set of possible values either is finite or else can be listed in an infinite sequence (one in which there is a first number, a second number, and so on).

A numerical variable is continuous if its possible values consist of an entire interval on the number line.

Data obtained by counting to determine the value of a variable is discrete, and the variable is considered a discrete numerical variable.

<p>Data obtained by taking measurements to determine the value of a variable is continuous, and the variable is considered a continuous numerical variable.</p> Signup and view all the answers

<p>An example of a discrete numerical variable is the number of traffic citations a person received during the last year, as it involves counting and results in a finite or countable set of possible values.</p> Signup and view all the answers