determine the linear correlation coefficient r.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.1: Ratios
Problem 21WE
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For the given data below, determine the linear correlation coefficient r. The paired data below consists of the costs of advertising (in thousands of pesos) and the number of products sold (in thousands).

A. 0.708

B. 0.246

C. -0.071

D. 0.235

Cost
2
3
4
2
9.
10
Number
85
52
55
68
67
86
83
73
Transcribed Image Text:Cost 2 3 4 2 9. 10 Number 85 52 55 68 67 86 83 73
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