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The sample correlation coefficient between Xand Yis closest to Group of answer choices

The sample correlation coefficient between Xand Yis closest to Group of answer choices

MATLAB: An Introduction with Applications
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 simple regression analysis is performed to relate maintenance expense (Y, dollars per month) to usage (X, hours per week). A random sample of 82 observations showed an F-statistic of 10 in the ANOVA table, and the scatter plot suggested that maintenance expense increases as usage increases. The sample variance of Yis 100. The sample correlation coefficient between Xand Yis closest to Group of answer choices 1/4 1/3 1/9 1/5 1/2
Transcribed Image Text:A simple regression analysis is performed to relate maintenance expense (Y, dollars per month) to usage (X, hours per week). A random sample of 82 observations showed an F-statistic of 10 in the ANOVA table, and the scatter plot suggested that maintenance expense increases as usage increases. The sample variance of Yis 100. The sample correlation coefficient between Xand Yis closest to Group of answer choices 1/4 1/3 1/9 1/5 1/2
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