questions with verified 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
Measure of central tendency - correct answer A summary measure that is used to describe an entire set
of data with one value that represents the middle or center of the data sets distribution. There are 3
main measures: mean, median or mode
Histogram - correct answer A graph that displays data through vertical bars that show the counts or
numbers in each range
Shape - correct answer The outline of a set of data displayed on the coordinate axes