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The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. x 11.4 8.2 7 3.5 2.3 2.5

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

x

11.4 8.2 7 3.5 2.3 2.5 2.6 0.9

y

14 10.7 10.3 6.8 5.7 6.1 6.4 4.9

x = thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the equation y=0.87x+3.94.y=0.87x+3.94. 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 7.6 thousand automatic weapons? Answer =________________ Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 10.7 thousand automatic weapons? Answer =________________ Round to 3 decimal places.

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