Question: My question: Below are statements regarding indicator variables. Specify whether each of the statements is true or false. 1. Indicator variables are needed to quantify

My question:

Below are statements regarding indicator variables. Specify whether each of the statements is true or false. 1. Indicator variables are needed to quantify a False categorical variable. 2. A categorical variable with d categories True requires d - 1 indicator variables. 3. Indicator variables assume only the [ Choose ] intercept is different and the slopes of all other explanatory variables are constant across all categories

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