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23 Cards in this Set

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Experimental probability
The ratio of the number of times the outcome happened to the number of times the experiment was reported.
An Event
is a set of outcomes for a particular experiment.
Certain Event
is when an event must happen is has a probability of 1
Impossible Event
is an event that can never happen- it has a probability of zero
A Tree Diagram
is a diagram that organizes the possible outcome for an expirement.
Frequency
is a number of times something occuurs in a set of data
The Mean or Average
is found by taking the sum of the data divided by the number of data
The Mode
is the most occuring piece of data
The median
is the middle piece of data in a set of data in numerical order
The Range
of data is the difference between the greatest value and the smallest value in the data set
A Graph
is a visual display of informmation
The X-axis
is the horizontal line on the graph
The Y-axis
is the vertical line on the graph
An ordered pair
is a pair of numbers used to indicate a position in a corrdinate grid
a quadrant
is one or four sections in a coordinate grid
Algebra
is a branch of mathematics that uses variables to generalize the rulesof numbers and operations
A Variable
is a symbol or letter that represents a number that changes or is unknown
To evaluate an expression
is to substitute values for variables and perform the operations
An exponent
tells the number of times the base is multiplied
A general rule
is a rule that tellsyou how to find any term in a sequence
A sequence
is an ordered list of numbers or objects
The associative Property
says that regrouping numbers when you multiply or add then does not change the result
The Distributive Property
for multiplication over addition says that to multiply a sum you can multiply each addened and add the products (9x(4+3)=9x4-9x3 The distributive property of multiplication over subtraction says that to multiply a difference you can multiply each number and take the difference of the products (9x(4-3)=9x4-9x3.