Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 1 - Linear Functions - Chapter Review - Review Exercises: 14

Answer

$n,\Sigma x,\ \Sigma y,\ \Sigma xy,\ \Sigma x^{2}$, and $\Sigma y^{2}$

Work Step by Step

In order to find $r=\displaystyle \frac{n(\Sigma xy)-(\Sigma x)(\Sigma y)}{\sqrt{n(\Sigma x^{2})-(\Sigma x)^{2}}\sqrt{n(\Sigma y^{2})-(\Sigma y)^{2}}}$ , We need to calculate $n,\Sigma x,\ \Sigma y,\ \Sigma xy,\ \Sigma x^{2}$, and $\Sigma y^{2}$ as these are the unknowns in the equation.
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