Step 1: What variation is there in the unwanted behavior? Before we do any analysis of causes, we must know what we are dealing with. For a series of homicides, are they passion killings or paid assassinations? For speeding, are we looking at people just driving 10 percent over the speed limit or 50 percent over? For industrial pollution, are we dealing with small companies with limited resources or large companies that have the expertise and capital to curb pollution? it is vital to know what variation there is in the behavior we want to address so that we can analyze and address each core
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