Question
In general, a point has a higher leverage if Choose one, a. its x component is far way from the average value of x. b.
In general, a point has a higher leverage if
Choose one,
a. its x component is far way from the average value of x.
b. only if both the x component and the y component are far from their averages
c. its y component is far away from the average value of y
c. if the point lies on the regression line
What's the difference between the leverage and the influence point
Choose one,
a. Leverage measures the effect of perturbing the point in the y-direction, influence measures perturbing the point in the x-direction
b. Leverage measures the effect of the perturbing the point in the y-direction, influence measures the effect of the removing point
c. Leverage measures perturbing the point in the x-direction, influence perturbing in the y-direction
d. Leverage measures the effect of deleting a point, influence the effect of perturbing the point in the y-direction.
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