Question

In: Statistics and Probability

Let x be the average number of employees in a group health insurance plan, and let...

Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims.

x 3 7 15 30 73
y 40 35 30 27 20

(c) Use a calculator to verify that Σx = 128, Σx2 = 6512, Σy = 152, Σy2 = 4854, and Σxy = 3085. Compute r. (Round your answer to three decimal places.)
r = ???

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