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Compute r.

Compute r.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 54E
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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 39 74
y 40 35 30 27

17
Use a calculator to verify that Σx = 138, Σx2 = 7280, Σy = 149, Σy2 = 4743, and Σxy = 3126. Compute r. (Round your answer to four decimal places.)
r = 
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