Question: Suppose that xj's estimated coefficient (as reported by Excel) is 92.3384. Why would we conduct a hypothesis test? Excel is reporting the estimated coefficient. The

Suppose that xj's estimated coefficient (as reported by Excel) is 92.3384. Why would we conduct a hypothesis test? Excel is reporting the estimated coefficient. The test is about the true coefficient. The hypothesis test eliminates the possibility of error. The hypothesis test tells us whether the coefficient is interesting. Excel reports the estimated coefficient, but we're interested in the estimated slope

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