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The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.3 8.4 6.6 3.5 2.4 2.4

The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states.

xx

11.3 8.4 6.6 3.5 2.4 2.4 2.4 0.3

yy

13.5 11.5 9.7 6.7 6.2 6 5.8 4.1

xx = thousands of automatic weapons yy = murders per 100,000 residents This data can be modeled by the equation y=0.87x+3.87.y=0.87x+3.87. Use this equation to answer the following; Special Note: I suggest you verify this equation by performing linear regression on your calculator. A) How many murders per 100,000 residents can be expected in a state with 4.6 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 3 thousand automatic weapons? Answer = Round to 3 decimal places.

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