Scatter Plots and Types of Graphs

scatter plot

a graph that shows the relationship between two data sets using ordered pairs in a coordinate plane

pictograph

a graph that uses pictures to show and compare information

line of best fit

line that is drawn on a scatter plot that is close to most data points and is used to estimate data

positive correlation

the relationship between two sets of data in which both sets of data increase together.

negative correlation

the relationship between two sets of data, in which one set of data decreases as the other set of data increases.

no correlation

there does not appear to be a relationship between two sets of data

constant correlation

y-coordinates remain about the same as x-coordinates increase.

histogram

A bar graph showing frequencies of data values in intervals of the same size

pie chart or circle graph

A data display that uses pieces of a circle to show parts of a whole or 100%.

line graph

A graph that uses line segments to show changes that occur over time

bar graph

A graph used to analyze categorical data using bars