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Hope Hernandez is the new regional Vice President for a large gasoline station chain.She wants a regression model to predict sales in the convenience stores.Her data set includes two qualitative variables: the gasoline station location (inner city, freeway, and suburbs) , and curb appeal of the convenience store (low, medium, and high) .The number of dummy variables needed for "curb appeal" in Hope's regression model is ______.
Orientation
The arrangement or positioning of something relative to a known point or direction.
Characteristic Symbol
A symbol or notation used to represent a specific property or characteristic in mathematical, scientific, or technical contexts.
Position
Refers to the location of an element or feature in a manufactured part, often defined in terms of coordinates or relation to other features.
Actual Size
Actual size refers to the true dimensions of an object or part, without any allowances, tolerances, or scaling applied.
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