Question: 49. Show that substituting X = X into the prediction equation = a + bx yicids the predicted Y-value of = Y. (Hint: The least

49. Show that substituting X = X into the prediction equation = a + bx yicids the predicted Y-value of = Y. (Hint: The least squares formula for the Y-intercept is a bx) Show that this means that the least squares prediction equation passes through the point with coordinates (X.). the center of gravity of the data

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