WGU Applied Healthcare Statistics

WGU Applied Healthcare Statistics
whole numbers

Numbers that do not contain decimals or fractions




Integers

Whole numbers and their opposites




rational numbers

All positive and negative integers, fractions and decimal numbers.




Real numbers

Any number that can be placed on a number line. Including numbers that do not end, and number like pi




A Set

A collection of numbers




Discrete

Values that are distinct, separate and unconnected




Continuous

Values in a set that are connected, without gaps

, Quantitative Data

Consists of data values that are numerical, representing qualities that can be counted or measured




Categorical data

Also called qualitative data. Consists of data that are groups, such as names or labels, and are not
necessarily numerical.




Graphical displays

Visual displays of data sets




data set

Any collection of numeric values, such as measurements, observations, or survey responses




Distribution

An arrangement of values that illustrates their frequency or occurrence




Pie chart

A graphical display that shows data in categories as percentages of a circle




Bar chart

A graph that displays data that is distributed over groups or categories