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S2 Definitions
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Terms in this set (9)
statistic
a random variable and function involving no unknown parameters
sampling unit
an individual member of a population
sampling frame
a list of sampling units used in practice to represent a population
sampling distribution
gives all possible values of a statistic and the probability of each occurring
population
a complete collection of items or individuals
sample
a selection of individual members or items from a population
Census
an investigation where information is obtained from all members of a population
Hypothesis test
a population parameter proposed by the null hypothesis compared with an alternative hypothesis
Critical region
the range of values that would lead to the rejection of Ho
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