Skewnesses for Group

Click the Skewnesses button on the Advanced tab of the Monte Carlo Analysis dialog box to display a dialog box in which you enter the desired skewnesses for variables in each group.

Variables
Enter the value for the skewness of each variable in the appropriate box.  
Common value
Enter a common value to use for all skewnesses in the Common value box.
Apply
Click the Apply button to apply the value specified in the Common value field to all variables in the Variables fields.