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