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Math 1314 Sec 1.2
6 cards·by ACCTutor
Mean (Average) and Median
The mean represents the average of a set of numbers, and the median represents the middle of a
sorted list.
Relation
A relation S is a set of ordered pairs.
Domain
x-values.
Range
y-values
Cartesian (Rectangular) Coordinate System, or xy-Plane
The xy-plane has four quadrants and is used to graph ordered pairs.
Scatterplot and Line Graph
A scatterplot consists of a set of ordered pairs plotted in the xy-plane. A line graph results
when consecutive points connect.