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Middle number in a data set. (make sure you put them in order from least to greatest)
Median
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Number that occurs the most in the set
Mode
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Average of all numbers in the set
Mean
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Number that is too high or low for the data set. This number affects the mean the most.
Outlier
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Highest minus the lowest numbers in the set.
Range
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Distribute the number outside the parenthesis to the numbers on the inside. 5(6 +7) = 5 x 6 + 5 x 7
Distributive Property
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The true value of a number. The distance it is from 0.
Absolute value
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Flipping the fractions denominator and numerator.
reciprocal
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Numbers consisting of the negatives, zero, and positives.
Integer
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The two numbers that are the same distance from zero but on opposite sides of the number line.
Opposite number
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A comparison of two numbers using division. (5 to 3, 5:3, 5/3)
Ratio
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An expression that consists of numbers variables, and operations. Same as algebraic expression.
Variable expression
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A symbol, usually a letter, which is used to represent one or more numbers.
Variable
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An expression of numbers and operations - no letters.
Numerical expression
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Expression that uses numbers, symbols, and variables. 4x + 3 = 12
Algebraic expressin
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An equation stating that two ratios are equivalent.
Proportion
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A Probability based on a sample or repeated trials of an experiment.
Experimental Probability
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A rate that has a denominator of 1 unit.
Unit rate
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A number from 0 to 1 that measures the likelihood that that event will occur.
Probavility
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A ratio of two quantities measured in different units.
Rate
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