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statistics
chapter 22
11
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04/10/2005

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Term
strata (Pl. of stratum)
Definition
A level of society composed of people with similar social or economic staatus.
Term
Primary Sampling Units (PSUs)
Definition
A state-level employment estimate consisting either of a city, or a county, or a group of contiguous counties.
Term
Ultimate Sampling Units (USUs)
Definition
A state-level of employment estimates from PSUs divided up into USUs which cosist of 4 housing units each. At the second stage of the study, some of the USUs were picked at random for the sample. In the end, every person age 16 and over living in a selected USU in a selected PSU gets into the Current Population Survey.
Term
panel bias
Definition
people's responses may change as a result of being interviewed, progressively biasing the sample.
Term
employed
Definition
those who did any paid work in the previous week, or were temporarily absent from a regular job
Term
unemployed
Definition
those who were not employed the previous week but were available for work and looking for work during the past four weeks
Term
outside the labor force
Definition
the state of being neither employed not unemployed
Term
civilian labor force
Definition
consists of the civilians who are either employed or unemployed
Term
unemployment rate
Definition
the percentage of the civilian labor force which is unemployed (6.8%)
Term
cluster sample
Definition
a clustering of people in a sample who have the same or similar characteristics.
Term
half sample method
Definition
statistical process used to find the standard error for cluster samples by splitting the sample into two halves and seeing how well they agree.
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