The manufacturer of silicon chips requires so-called clean rooms, where the air is specially filtered to keep the number of dust particles at a minimum. The Outel Corporation wants to make sure that each of its fi ve clean rooms has the same number of dust particles. Five air samples have been taken in each room. The “dust score,” on a scale of 1 (low) to 10 (high), was measured. At the 0.05 level of significance, do the rooms have the same average dust score?

Contact us for the solution