a. Assume the number of street crimes and the sales of baseball bats have both increased in the last ten year. Draw a graph(s) showing their relationship and use these two events to highlight the difference between the concepts of correlation and causation.

b. The government has receive the following advice from economists, "Reducing youth unemployment should be a major priority of any government.Providing a youth wage subsidy of 25 percent will reduce youth unemployment by 4 percent."Identify and explain the two types of economic statements in the advice provided to the government.