11. Within the frequency probability framework, there is no process whereby a probability can be attached to the future occurrence of special cause . 12. Risk in a project or process can be due either to Special Cause Variation or Common Cause Variation and requires appropriate treatment. 13. A special cause for concern is a nearly 13 percent unemployment rate-- at a time when government officials insist the recession is over. 14. This innovative stamp is the first of its kind in our nation's history that is dedicated to raising funds for a special cause . 15. So it makes sense that they form a major proportion of immigrants anywhere, without there having to be a special cause for it. 16. But its rarity, combined with the special cause benefiting from the auction, was likely to attract a higher price, art experts had predicted. 17. Meanwhile, if a special cause does occur, it may not be of sufficient magnitude for the chart to produce an immediate " alarm condition ". 18. If a special cause occurs, one can describe that cause by measuring the change in the mean and / or variance of the process in question. 19. Still, " if something were to germinate that were introduced to us as an investment or special cause , we'd be interested in participating, " he said. 20. If one has, it is appropriate to determine if the results with the special cause are better than or worse than results from common causes alone.