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Coefficient between the number of automatic weapons

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Reference no: EM131061998

The data below show the number of registered automatic weapons, in thousands, and the murder rate, in murders per 100,000, for eight randomly selected states.

a. Determine the correlation coefficient between the number of automatic weapons and the murder rate.

b. Find the equation of the regression line.

c. Approximately what murder rate can we anticipate in a state that has 14 thousand registered weapons?

Automatic weapons  x 

11.8

8.3

6.5

3.7

2.9

2.5

2.7

0.3

Murder rate comma y

13.4

10.8

11.3

10.2

5.9

6.5

3.1

4.5

a. Determine the correlation coefficient. r=        

b. Find the equation of the regression line

c. Approximately what murder rate can we anticipate in a state that has 14 thousand registered weapons?

 (Do not round until the final answer. Then round to two decimal places as needed.)

Reference no: EM131061998

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