WGU - Applied Healthcare Statistics
ACTUAL UPDATED Exam Questions and
CORRECT Answers
whole numbers - CORRECT ANSWER Numbers that do not contain decimals or fractions
Integers - CORRECT ANSWER Whole numbers and their opposites
rational numbers - CORRECT ANSWER All positive and negative integers, fractions and
decimal numbers.
Real numbers - CORRECT ANSWER Any number that can be placed on a number line.
Including numbers that do not end, and number like pi
A Set - CORRECT ANSWER A collection of numbers
Discrete - CORRECT ANSWER Values that are distinct, separate and unconnected
Continuous - CORRECT ANSWER Values in a set that are connected, without gaps
Quantitative Data - CORRECT ANSWER Consists of data values that are numerical,
representing qualities that can be counted or measured
Categorical data - CORRECT ANSWER Also called qualitative data. Consists of data that
are groups, such as names or labels, and are not necessarily numerical.
Graphical displays - CORRECT ANSWER Visual displays of data sets
, data set - CORRECT ANSWER Any collection of numeric values, such as measurements,
observations, or survey responses
Distribution - CORRECT ANSWER An arrangement of values that illustrates their
frequency or occurrence
Pie chart - CORRECT ANSWER A graphical display that shows data in categories as
percentages of a circle
Bar chart - CORRECT ANSWER A graph that displays data that is distributed over groups
or categories
Relative frequency - CORRECT ANSWER A way to approximate a percentage by
dividing the number of times an event occurred in an experiment by the total number of trials.
frequency distribution - CORRECT ANSWER A record of the number of times data
occurs within a certain category
Dot plot - CORRECT ANSWER A graphical representation of data that plots the
frequency of data along a horizontal line
Outliers - CORRECT ANSWER An observation point (number) that is significantly
distant from the other observations in the dataset
Stem plots - CORRECT ANSWER A visual representation of data in which individuals
data points are plotted to the right of a horizontal line, or chart, and the left (the "stem") shows
the interval categories
Box plot - CORRECT ANSWER A graphical rendering of the range and the first and third
quartiles of a data set with the data set's median in between
ACTUAL UPDATED Exam Questions and
CORRECT Answers
whole numbers - CORRECT ANSWER Numbers that do not contain decimals or fractions
Integers - CORRECT ANSWER Whole numbers and their opposites
rational numbers - CORRECT ANSWER All positive and negative integers, fractions and
decimal numbers.
Real numbers - CORRECT ANSWER Any number that can be placed on a number line.
Including numbers that do not end, and number like pi
A Set - CORRECT ANSWER A collection of numbers
Discrete - CORRECT ANSWER Values that are distinct, separate and unconnected
Continuous - CORRECT ANSWER Values in a set that are connected, without gaps
Quantitative Data - CORRECT ANSWER Consists of data values that are numerical,
representing qualities that can be counted or measured
Categorical data - CORRECT ANSWER Also called qualitative data. Consists of data that
are groups, such as names or labels, and are not necessarily numerical.
Graphical displays - CORRECT ANSWER Visual displays of data sets
, data set - CORRECT ANSWER Any collection of numeric values, such as measurements,
observations, or survey responses
Distribution - CORRECT ANSWER An arrangement of values that illustrates their
frequency or occurrence
Pie chart - CORRECT ANSWER A graphical display that shows data in categories as
percentages of a circle
Bar chart - CORRECT ANSWER A graph that displays data that is distributed over groups
or categories
Relative frequency - CORRECT ANSWER A way to approximate a percentage by
dividing the number of times an event occurred in an experiment by the total number of trials.
frequency distribution - CORRECT ANSWER A record of the number of times data
occurs within a certain category
Dot plot - CORRECT ANSWER A graphical representation of data that plots the
frequency of data along a horizontal line
Outliers - CORRECT ANSWER An observation point (number) that is significantly
distant from the other observations in the dataset
Stem plots - CORRECT ANSWER A visual representation of data in which individuals
data points are plotted to the right of a horizontal line, or chart, and the left (the "stem") shows
the interval categories
Box plot - CORRECT ANSWER A graphical rendering of the range and the first and third
quartiles of a data set with the data set's median in between
