Some would object that the data in Exercise 7.19 are clearly discrete, if not ordinal, and that it is inappropriate to run a t test on them. Can you think what might be a counter argument? (This is...

Some would object that the data in Exercise 7.19 are clearly discrete, if not ordinal, and that it is inappropriate to run a t test on them. Can you think what might be a counter argument? (This is not an easy question, and I really asked it mostly to make the point that there could be controversy here.)