Question: Does a positive slope coeffi cient from a simple regression model of Y on X mean that all observed Y values in the sample at

Does a positive slope coeffi cient from a simple regression model of Y on X mean that all observed Y values in the sample at X = 11 are larger than all observed Y values in the sample at X = 10, that the conditional mean predicted from the regression model at X = 11 is larger than the conditional mean predicted from the regression model at X = 10, or both? Why?

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