A totally different study of sales ( y) with respect to r = advertising expenditure in a given retail business gave the following figures: n = 17,Σ 1.637.05, Σ u - 300.48, Σ179,856.81, E T; Yi =32,304.25, E y = 6,459.55.%3DFind the correlation coefficient r. Give your answer to 3 decimal places.

Correlation coefficient: r=n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2

Answered: A totally different study of sales ( y…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A totally different study of sales ( y ) with respect to æ = advertising expenditure in a given retail business gave the following figures: n = 17 , Σ 1.637.05, Σ u 300.48, Σr 179,856.81, E r; ; =32,304.25, E =6,459.55.