The following is a graph of two normal distributions plotted on the same x-axis. 8 12 Based on the graph above, which statement best describes the graph? Answer Tables Ke The two distributions have means that differ by 4 units and different standard deviations O The two distributions have equal means and standard deviations that differ by 4 units. O The two distributions have means that differ by 4 units and equal standard deviations. O The two distributions have equal means and equal standard deviations.