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23 Cards in this Set
- Front
- Back
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RANDOM VARIABLE
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A VARIABLE THAT ASSUMES A UNIQUE NUMBERICAL VALUEFOR EACH OF THE OUTCOMES IN THE SAMPLE SPACE OFA PROABABILITY EXPERIMENT
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QUANTITATIVE OR NUMERICAL VARIABLE
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A VARIABLE THAT QUANTITIFIES AN ELEMENT OF A POPULATION
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QUANTITATIVE DATA
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DATA VARIABLES THAT RESPRESENT SOME NUMERIC QUANTITY WHICH IS A NUMBERIC MEASUREMENT
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PROBABILITY EXPERIMENT
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ANY PROCESS WITH AN OUTCOME REARDED AS RANDOM
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SAMPLE SPACE
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THE SET OF ALL POSSIBLE OUTCOMES FROM A PROBABILITY EXPERIMENT
(S) |
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N
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SIZE OF A POPULATION
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n
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SIZE OF A SAMPLE
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x
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THE VALUE OF AN OBERSERVATION
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f
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THE FREQUENCY OF AN OBESERVATION (THE NUMBER OF TIMES IT OCCURS)
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FREQUENCY TABLE
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A TABLE THAT LISTS THE VALUES OBSEVED IN A DATA SET ALONG WITH THE FREQUENCY WTIH WHICH IT OCCURS
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RANDOM VARIABLE
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WHEN SOME NUMBER IS DERRIVED FROM A PROBABILTY EXPERIMENT
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WHAT DOES EACH RANDOM VARIABLE HAVE
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A PROBABILITY DISTRIBUTION THAT DETERMINES THE PROABABILITES OF PARTICULAR VALUES
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WHEN ROLLING A SIX SIDED DIE THE RESULTING NUMBER IS
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X AND THE PROBABILITY X IS THE RANDOM VAROM VARIABLE
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P(X) IA CALLED
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THE PROBABILITY DISTRIBUTION FUNCTION
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DISCRETE RANDOM VARIABLE
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IS A QUANTITATIVE VARIABLE THAT CAN ASSUME A COUNTABBLE NUMBER OF VALUES
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A RANDOM VARABLE IS USED TO
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DENOTE OUTCOMES OF A PROABABILITY EXPERIMENT
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RANDOM VARIABLE
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A NUMERICAL QUANTITY WHOSE VALE DEPENDS ON THE CONDITIONS OR PROBABILITIES ASSOCIATED WITH AN EXPERIMENT
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DISCRES TE RANDOM VARIABLE
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A NUMERICAL QUANTITY TAKING ON OR HAVING A FINITE OR COUNTABLY INFINITE NUMBER OF VALUES
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x DENOTES
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A DISCRETE RANDOM VARIABLE
x IS OFTEN A COUNT OS SOMETHING EX. THE NUMBER OF HOME RUNS IN A BASEBALL GAME |
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CONTINUOUS RANDOM VARIABLE
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A NUMERICAL QUANITY THAKING ON OR HAVINGING AN INFINITE NUMBER OF VALUES
MEASUREMENT OF SOMETHING EX PERSON HEIGHT |
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RANDOM VARIABLE
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DENOTES THE OUTCOMES OF THE PROBABILITY
CAN TAKE ON ANY NUMERICAL VALUE THAT BELONGS TO THE SET OF ALL POSSIBLE OUTCOMES IN THE EXPERIMENT |
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WHY IS IT CALLED RANDOM VARIABLE
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BECAUSE THE VALUE IT ASSUMES IS THE RESULT OF A CHANCE , OR RANDOM EVENT
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WHAT IS MUTUALLY EXCLUSIVE
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THE EVENTS LISTED ARE NOT OVERLAPPING
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