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.Suppose that we have a qualitative variable Month with categories: January, Feb

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Question

.Suppose that we have a qualitative variable Month with categories: January, February etc. How many dummy variables are needed to describe Month? 12 11 10 9

.Suppose that we have a qualitative variable Month with categories: January, February etc. How many dummy variables are needed to describe Month? 12 11 10 9

.Suppose that we have a qualitative variable Month with categories: January, February etc. How many dummy variables are needed to describe Month? 12 11 10 9
.Suppose that we have a qualitative variable Month with categories: January, February etc. How many dummy variables are needed to describe Month? 12 11 10 9
.Suppose that we have a qualitative variable Month with categories: January, February etc. How many dummy variables are needed to describe Month? 12 11 10 9
12 11 10 9

12 11 10 9

Explanation / Answer

11