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
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
