Question: Guns and Murder Rate Using data collected from the FBI and the Bureau of Alcohol, Tobacco, and Firearms, the number of registered automatic weapons and

Guns and Murder Rate Using data collected from the FBI and the Bureau of Alcohol, Tobacco, and Firearms, the number of registered automatic weapons and the murder rate (in murders per 100,000 people) was obtained for each of eight randomly selected states. STATDISK was used to find that the value of the linear correlation coefficient is r 5 0.885.

a. Is there a significant linear correlation between the number of registered automatic weapons and the murder rate? Explain.

b. What proportion of the variation in the murder rate can be explained by the linear relationship between the murder rate and the number of registered automatic weapons?

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