A bar graph from the Centers for Disease Control and Prevention. Unintentional Drug Poisoning in the United States (July 2010). The title of the graph is “Unintentional Drug Overdose Deaths United States, 1970-2007.” There is a caption on the graph that reads, “In 2007, there were 9.18 deaths per 100,000 population due to unintentional drug overdose, based on 27,658 deaths.”The vertical line of the graph displays Deaths Per 100,000 Population, counting from 0 up to 10. The horizontal line of the graph displays years, beginning with 1970 and ending with 2007.
Deaths begin around 1 (100,000) in 1970 and begin to rise slightly to 1.5 by 1975. They dip back down after that, and in 1978, they are below 1. In 1979, the deaths begin a steady increase so that there is a dramatic curve in the graph, with the largest spikes happening around 2000 and 2006. By 2007, the deaths have reached just about 9.According to the chart, from 1986-1996, unintentional drug overdose deaths per 100,000 population began to rise. The numbers for each year are, roughly, 2, 1, 2, 2, 1, 2, 2, 3, 3, 3, 3. What is the mean of these statistics? 24 2.18 24.18 2