Krusty was told that a certain itching powder was the newestbest thing on the market, it even claims to cause 50% longerlasting itches. Interested in this product, he buys the itchingpowder and compares it to his usual product. One test subject (A)is sprinkled with the original itching powder, and another testsubject (B) was sprinkled with the Experimental itching powder. Subject A reported having itches for 30 minutes. Subject Breported to have itches for 45 minutes.