Lyme disease is an inflammatory disease that results in a skin rash and flulike

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 cases of Lyme disease and the number of drowning deaths for a rural county. Complete parts (a) through (c) below. Draw a scatter diagram of the data. Choose the correct graph below. determine the linear correlation coefficient between Lyme disease and drowning deaths. The linear correlation coefficient between Lyme disease and downing deaths is r =. (Round to three decimal places as needed.)

Explanation / Answer

from above option D is correct for scatter plot

b)

correlation coefficient =Sxy/(SSx*SSy)1/2=0.9585

x y (X-Xbar)^2 (Y-Ybar)^2 (X-Xbar)(Y-Ybar) 2.00 0.00 22.56 13.44 6.11 2.00 1.00 22.56 7.11 4.44 2.00 2.00 22.56 2.78 2.78 4.00 1.00 7.56 7.11 -0.89 5.00 2.00 3.06 2.78 -2.22 15.00 9.00 68.06 28.44 60.44 22.00 17.00 232.56 177.78 244.44 13.00 5.00 39.06 1.78 12.44 6.00 3.00 0.56 0.44 -1.56 5.00 3.00 3.06 0.44 -0.89 4.00 1.00 7.56 7.11 -0.89 1.00 0.00 33.06 13.44 9.78 Total 81.00 44.00 462.25 262.67 334.00 mean 6.75 3.67 SSX Ssy Sxy

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