Question

Lyme disease is an inflammatory disease that results in a skin rash and flulike symptoms. It is transmitted through the bite of an infected deer tick. The following data represent the number of reported cases of Lyme disease and the
number of drowning deaths for a rural county in the United States.
(a) Draw a scatter diagram of the data using cases of Lyme disease as the explanatory variable.
(b) Compute the correlation coefficient for the data.
(c) Based on your results from parts (a) and (b), what type of relation exists between the number of reported cases of Lyme disease and drowning deaths? Do you believe that an increase in cases of Lyme disease causes an increase in drowning deaths? What is a likely lurking variable between cases of Lyme disease and drowning deaths?


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  • CreatedApril 27, 2015
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