AP Stat Unit 2

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Last updated 2:27 AM on 10/16/26
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10 Terms

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response variable

dependent variable

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explanatory variable

independent variable

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levels

different factor values

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extraneous variable

has an affect on the response variable

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confounding variable

has an affect on the response and explanatory variable

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simple random sample

gives every individual an equal chance to be selected

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strata

groups of individuals with shared characteristics

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non response

individual in a sample can’t be contacted/refuses to participate

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response bias

when responses to a question consistently differ from the truth

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elements of a well designed experiment

comparison, random assignment, replication, direct control