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☆☆☆☆☆A random sample is a selection from the population of interest where each item (persons, households, widgets, etc.) has an equal chance of being selected. The idea being that measuring a random sample of sufficient size will accurately (within a margin of error) reflect the "true" value that exists in the population - while at the same time reducing your study to a manageable size.
A random sample is integral in good survey design to reduce bias in your experiment.
100 senators
a disturbing photo from a war zone aired on national news
The number of members of the US House of Representatives is based on the population of each state. Since California has a larger population than Wyoming, California also had more house members than Wyoming.
manufacturing jobs
American Association of retired persons (aarp)
working for the election of sympathetic public officials
Professional organizations are usually less organized.
group members have developed a special trust
Checks and Balances
Political action committee
On all levels
Supporters claim that closed primaries make candidates more responsive to?
a district court
An
National farmers union
Regular citizens
