values in the applet represent the mean of the distribution. The mean appears in the formulas on the left, the statistics on the right, and the middle line on the graph.
represents the standard deviation and appears in the formula and on each side of the mean in the graph.
Change the values of the statistics ( mean and standard deviation ) by clicking on the value on either side of the graph or through the input boxes at the bottom.
Change the values of the
scores by clicking on the values below the graph or by dragging the corresponding bars in the graph.