The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.5 8.2 6.9 3.4 2.4 2.8 2.5 0.8 yy 14.1 10.7 9.6 6.7 6.4 6.5 6.4 4.4 xx = thousands of automatic weapons yy = murders per 100,000 residents This data can be modeled by the equation y=0.85x+3.99.y=0.85x+3.99
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.5 8.2 6.9 3.4 2.4 2.8 2.5 0.8 yy 14.1 10.7 9.6 6.7 6.4 6.5 6.4 4.4 xx = thousands of automatic weapons yy = murders per 100,000 residents This data can be modeled by the equation y=0.85x+3.99.y=0.85x+3.99
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states.
xx | 11.5 | 8.2 | 6.9 | 3.4 | 2.4 | 2.8 | 2.5 | 0.8 |
---|---|---|---|---|---|---|---|---|
yy | 14.1 | 10.7 | 9.6 | 6.7 | 6.4 | 6.5 | 6.4 | 4.4 |
xx = thousands of automatic weapons
yy = murders per 100,000 residents
This data can be modeled by the equation y=0.85x+3.99.y=0.85x+3.99. Use this equation to answer the following;
A) How many murders per 100,000 residents can be expected in a state with 7.1 thousand automatic weapons?
Answer = Round to 3 decimal places.
B) How many murders per 100,000 residents can be expected in a state with 6.9 thousand automatic weapons?
Answer = Round to 3 decimal places.
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