There is a strong positive relationship between the per capita smoking rates and

Question

There is a strong positive relationship between the per capita smoking rates and the per capita consumption of alcohol among the individual states in the United States. Which of the following is correct? a) There is a strong positive relationship for individuals between their smoking and alcohol consumption rates. b) This is caused by a lurking variable, the average income of the state. c) Both variables can be approximated by a Normal distribution which makes the strong correlation. d) The least-squares line will have a positive slope. There is a strong positive relationship between the per capita smoking rates and the per capita consumption of alcohol among the individual states in the United States. Which of the following is correct? a) There is a strong positive relationship for individuals between their smoking and alcohol consumption rates. b) This is caused by a lurking variable, the average income of the state. c) Both variables can be approximated by a Normal distribution which makes the strong correlation. d) The least-squares line will have a positive slope.

Explanation / Answer

Solution : The question is telling us about the co relation of two variables. And this means higher the smoking consumption, higher the smoking rates. So option c is correct because it is the only option which is in a scope of the above argument. Both variables can be approximated by normal distribution as they are related to each other. By knowing the values of different smoking rates and smoking consumption we can easily find a relation.

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