Question: A dataset contains a categorical variable called User Type that has three levels: ( 1 ) light user, ( 2 ) moderate user, and (

A dataset contains a categorical variable called User Type that has three levels: (1) light user, (2) moderate user, and (3) heavy user. How many dummy variables are needed to represent all the levels of this variable in a statistical model?02.0O b.1.20 d.3

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