Populations and Samples Definitions

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Statistic
A random variable calculated from the observations of a sample
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Population
Collection of individual items
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Sample
selection of individual members of a population
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Finite Population
A polulation in which each individual member can be counted
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Infinite Population
A polulation in which it is impossible to count each individual member
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Sampling Unit
An individual member of a population
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Sampling Frame
List of sampling units/all members of a population
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Sampling Distribution
The probability distribution of a statistic, ie all possible values of a statistic and the probability of each occuring
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Other cards in this set

Card 2

Front

Collection of individual items

Back

Population

Card 3

Front

selection of individual members of a population

Back

Preview of the back of card 3

Card 4

Front

A polulation in which each individual member can be counted

Back

Preview of the back of card 4

Card 5

Front

A polulation in which it is impossible to count each individual member

Back

Preview of the back of card 5
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