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The assignment was to read the chapter entitled "Persuasive Letters" and aswer the five review questions.
Dependent Variables
Variables in an experiment or model that are affected by changes in the independent variables, typically outcomes or results being measured.
Categorical Variable
A variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other entity to a particular group or nominal category.
Dummy Variables
Variables created to include categorical data in regression models, converting categories to a numerical form.
Confidence Intervals
Ranges within which a population parameter is estimated to lie with a certain level of confidence, often used to indicate the reliability of an estimate.
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