From the point of view of designing a valid experiment (as opposed to the arithmetic of calculation), there is an important difference between Exercise 6.1 and the examples used in this chapter. The...

From the point of view of designing a valid experiment (as opposed to the arithmetic of calculation), there is an important difference between Exercise 6.1 and the examples used in this chapter. The data in Exercise 6.1 will not really answer the question the chairperson wants answered. What is the problem and how could the experiment be improved?