Scatter Plots

negative correlation

A scattering of points on a scatterplot in a decreasing straight line pattern (the closer to y = -x, the more negative the correlation is) - the line is going down

no correlation

A scattering of points on a scatterplot in no order or not tending toward a straight line

Line of Best Fit

A straight line that comes closest to the points on a scatter plot

cluster data

Clustering is used when a group of numbers cluster around a common value. This st data points that relate to each other

Outliers

Numbers that are much greater or much less than the other numbers in the set

positive correlation

a correlation in which large values of one variable are associated with large values of the other and small with small - the line is going up

continuous graph

a graph made up of connected lines or curves

discrete graph

a graph made up of unconnected points

scatter plot

a graph with points plotted to show a possible relationship between two sets of data.

correlation

connection between facts or events

Two Way Table

displays the relationship between two categorical variables