Question
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.6 8.4 7.2 3.7 2.4 2.8
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states.
xx | 11.6 | 8.4 | 7.2 | 3.7 | 2.4 | 2.8 | 2.2 | 0.5 |
---|---|---|---|---|---|---|---|---|
yy | 13.8 | 10.9 | 10.5 | 7.1 | 6.4 | 6.5 | 6.1 | 4.7 |
xx = thousands of automatic weapons yy = murders per 100,000 residents This data can be modeled by the equation y=0.82x+4.28.y=0.82x+4.28. 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 2.7 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 7.3 thousand automatic weapons? Answer = Round to 3 decimal places.
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