The Makers of Furnace Filters Recently Conducted a Test to Determine

True/False

The makers of furnace filters recently conducted a test to determine whether the median number of particulates that would pass through their four leading filters was the same. A random sample of 6 of each type of filter was used with the following data being recorded: If the Kruskal-Wallis test is used, the critical value for an alpha = .05 is 7.814