A relationship between two (or more) variables.

An angle with its vertex at the center of a circle.

In statistics, a categorical variable is a variable that can take on one of a limited, and usually fixed, number of possible values

A way of displaying data that can be put into categories (like what color you prefer, your gender, or the state you were born in).

a grouping of data points on a graph

constant of proportionality

In a proportional relationship, equations are of the form y = kx,

can be linear or non-linear, can contain clusters of data.

displays counts, or frequencies, of data.

The points on a coordinate grid where the grid lines intersect.

A line of best fit shows a trend in the data representing where the data falls.

An equation in two variables whose graph is a line. Usually appears in the form y = mx + b.

linear(non-linear) form

data that forms a line (data that does not form a line)

a relationship where one variable increases and the other variable decreases

a relationship where one variable increases and the other variable increases

A number in a set of data that is much larger or much smaller than the other numbers in the set.

Interest paid on the principal alone.

A ratio that describes how steep (or flat) a line is.

strength (of an association)

A description of how much scatter there is in the data away from the line or curve of best fit.

A rate with a denominator of one when simplified.

The point(s) where a graph intersects the y-axis.

When two quantities x and y have a linear relationship, The constant m is the slope, and b is the y-intercept of the graph.

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CC3 Chapter 7 Vocab

Term	Definition
association	A relationship between two (or more) variables.
central angle	An angle with its vertex at the center of a circle.
categorical variable	In statistics, a categorical variable is a variable that can take on one of a limited, and usually fixed, number of possible values
circle graph	A way of displaying data that can be put into categories (like what color you prefer, your gender, or the state you were born in).
cluster	a grouping of data points on a graph
constant of proportionality	In a proportional relationship, equations are of the form y = kx,
form	can be linear or non-linear, can contain clusters of data.
frequency table	displays counts, or frequencies, of data.
lattice point	The points on a coordinate grid where the grid lines intersect.
line of best fit	A line of best fit shows a trend in the data representing where the data falls.
linear equation	An equation in two variables whose graph is a line. Usually appears in the form y = mx + b.
linear(non-linear) form	data that forms a line (data that does not form a line)
negative association	a relationship where one variable increases and the other variable decreases
negative slope	as x increases, y decreases
positive association	a relationship where one variable increases and the other variable increases
positive slope	as x increases, y increases
outlier	A number in a set of data that is much larger or much smaller than the other numbers in the set.
simple interest	Interest paid on the principal alone.
slope	A ratio that describes how steep (or flat) a line is.
strength (of an association)	A description of how much scatter there is in the data away from the line or curve of best fit.
unit rate	A rate with a denominator of one when simplified.
y-intercept	The point(s) where a graph intersects the y-axis.
y = mx + b	When two quantities x and y have a linear relationship, The constant m is the slope, and b is the y-intercept of the graph.

Created by: reiderk

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