Measures of Central Tendency
The statistics mean, median, & mode
The data item with the greatest frequency. (occurs most often)
The middle value when the data are in numerical order
The sum of the data divided by the total number of data items.
Another term for "mean" of data
A data item that is much higher or lower than the rest of the data
The number of times a data item occurs
A chart/table that lists each data item with its frequency
A number line that shows x's for the frequency
A special type of bar graph used to show frequency of data
Shows data items in order
The difference between the greatest and least values in a set of data
Shows the distribution of data on a number line
Values that divide the data into two equal parts
Related data from two different sets is graphed as points
A line that closely fits the data points in a scatter plot
As one set of values increases, the other set tends to increase
As one set of values increases, the other set tends to decrease
The two values do not have a relationship
A graph used when comparing amounts
Another name for a "key", used for graphing
A graph used to show changes over time
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