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Ch. 2 Vocab


Natural Numbers The Set (1,2,3)
Whole Numbers The Set (0,1,2,3)
Integers The Set (-2,-1,0,1,2)
Positive Numbers Any value that is greater than zero.
Negative Numbers Any value less than zero.
Rational Numbers The set of equations expressed in the form of a fraction.
Graph To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane.
Coordinate The number that corresponds to a point on a number line.
Absolute Value The absolute value of a number n is its distance from zero on a number line and is represented by n.
Opposites Every positive rational number and its negative number.
Additive Identity For any number a, a + 0 = 0 + a = a
Line Plot A number line labeled with a scale to include all the data with an X placed above a data point each time it occurs.
Frequency How often a piece of data occurs.
Stem-And-Leaf Plot A system used to seperate data into two numbers that are used to form a stem and leaf.
Back-To-Back Stem-And-Leaf Plot Used to compare two related sets of data.
Measures Of Cenral Tendacy Numbers or pieces of data that can represent the whole set of data.
Created by: nibrown