To give a somewhat answer to a couple of your questions. In an article in our news paper a census guy said the flush toilet question would help in targeting where to spend home rehabilitation HUD money. The what time do you leave for work question would help in designing transportation improvements. Both of these seem like good reasons to me. We have seen cases on this list where bad advice was given because the person posing the question didn't give us enough data about the problem. If we want the government to spend our tax money more wisely they have to have data to base their decisions on. John Dewey
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