Question: Suppose that the model of (13-2) is formulated with an overall constant term and n 1 dummy variables (dropping, say, the last one). Investigate

Suppose that the model of (13-2) is formulated with an overall constant term and n − 1 dummy variables (dropping, say, the last one). Investigate the effect that this supposition has on the set of dummy variable coefficients and on the least squares estimates of the slopes.

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