Last week it was suggested to a subscriber that they take an introductory course in statistics. As a result, I'd like to make some comments concerning this forum. In general A.P. teachers are assigned by school administrators. Frequently, they have had a single college level statistics course--perhaps none. It is unlikely that more than a few have had a relatively large number of courses. I suspect that virtually all of those assigned to teach these courses want to do the best job possible. Yet, many faced with minimal preparation are frightened at the situation they find themselves now facing. I hope that this forum can help, not only those of us with some experience in the field; but, also those of us with minimal preparation. Taking a course next summer is too late for today's activities.
Over the past few months we have had many negative messages concerning confidence intervals and z-tests. The point is moot. Both are in the acorn book--both must be taught. Add to this statement, that our students will be using handheld calculators on the test and again the point is moot. If we wish to encourage the board to make a change, I can accept that; however, since virtually every business/science major over the past 50 years has been taught confidence intervals, it seems unlikely to me that ignoring them in an introductory course is wise. Further, I suspect that a fair number of practicing statisticians use sophisticated techniques in practice BUT "prove" the outcome to their business bosses with a C.I. technique of some sort.
So, to those of you with decades of experience, please accept my appologies in advance for that idiot question I will assuredly ask--I, like many others, am simply trying to do the best possible job for my students.
One last comment on netiquette--I send my thanks directly to the transmitter--saves everyone from getting an unnecessary message.