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Stats 231
Chapter 1 and 2
11
Other
Undergraduate 1
02/21/2011

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Term
Statistics
Definition
The science of collecting,describing, and interpreting data.
Term
Population
Definition
A collection or set of individuals, objects or events whose properties are to be analyzed
Term
Sample
Definition
A subset of the population
Term
Variable (Response Variable)
Definition
A characteristics of interest about each individual element of a population or sample.
Term
Data Value
Definition
The value of the variable associated with one element of a population or sample. This value maybe a number , a word , or a symbol.
Term
Sampling frame
Definition
A list or set of the elements belonging to the population form which the sample will be drawn.
Term
Parameter
Definition
A numerical value summarizing all the data of an entire population.
Term
Experiment
Definition
A planned activity whose results yield a set of data.
Term
biased sampling method
Definition
A sampling method that produces data that sysematically differ from the sampled population.
Term
Statistic
Definition
A numerical value summarizing the sample data.
Term
judgement sample
Definition
Samples that are selected on the basis of being judged "typical".
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