- bar graph: a graph that COMPARES groups
- circle graph: a graph in the shape of a circle that shows, fractions, decimals, or percents as PARTS of the whole
- experimental probability: What did happen based on series of trials; # of trials with favorable outcomes/ number of trials in experiment
- frequency: the number of times a value occurs in a set of data
- line graph: a graph that shows CHANGE OVER TIME
- mean: an average; add up all the data points and divide by the number of data points in the set
- median: the physical center of a set of data
- mode: the value that occurs MOST OFTEN in a data set
- outlier: in a set of data, it is a number that is much lower or higher than all the other numbers
- range: the difference between the highest and lowest data values in a set
- theoretical probability: Mathematical likeliness of an event happening based on all possible outcomes; # positive outcomes/total possible outcomes
- x-axis: the horizontal axis
- y-axis: the vertical axis