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Course 1 Chapter 2
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Terms in this set (13)
Mean (Average)
The sum of the data divided by the number of data items.
Outlier
A data item that is much greater or less than the other items in the data set.
Median
The middle value when the data are arranged in numerical order. When there is an even number of data values, the two middle data items are averaged.
Mode
The item that occurs with the greatest frequency.
Frequency Table
It lists each item in a data set with the number of times the item occurs.
Line Plot
A graph that shows the shape of a data set by stacking X's above each data value on a number line.
Range
The difference between the greatest and the least values.
Bar Graph
This graph uses a vertical or horizontal bars to display numerical information.
Line Graph
A graph that uses a series of line segments to show changes in data. Usually for showing change over time.
Spreadsheet
A tool used for organizing and analyzing data. They are arranged in numbered rows and lettered columns.
Cell
A box in a spreadsheet where a row and column meet.
Scatter Plot
A graph that relates two sets of data.
Stem-and-Leaf Plot
A graph that uses the digits of each number to show the shape of the data. Each data value is broken into two parts.
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