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A researcher wants to determine the association between two continuous variables, X and Y. A sample of 100 individuals were taken from a population where the values of X and Y were measured from each individual. a) The correlation coefficient of X and Y were calculated from this sample and the value is O.2, what is the implication of this value? b) What may go wrong if the researcher concludes on the association between variables X and Y based on only the correlation coefficient? c) What should the researcher do to avoid the mistake that might occur in part (b)?

A researcher wants to determine the association between two continuous variables, X and Y. A sample of 100 individuals were taken from a population where the values of X and Y were measured from each individual. a) The correlation coefficient of X and Y were calculated from this sample and the value is O.2, what is the implication of this value? b) What may go wrong if the researcher concludes on the association between variables X and Y based on only the correlation coefficient? c) What should the researcher do to avoid the mistake that might occur in part (b)?

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 researcher wants to determine the association between two continuous variables, X and Y. A sample of 100 individuals were taken from a population where the values of X and Y were measured from each individual. a) The correlation coefficient of X and Y were calculated from this sample and the value is O.2, what is the implication of this value? b) What may go wrong if the researcher concludes on the association between variables X and Y based on only the correlation coefficient? c) What should the researcher do to avoid the mistake that might occur in part (b)?
Transcribed Image Text:A researcher wants to determine the association between two continuous variables, X and Y. A sample of 100 individuals were taken from a population where the values of X and Y were measured from each individual. a) The correlation coefficient of X and Y were calculated from this sample and the value is O.2, what is the implication of this value? b) What may go wrong if the researcher concludes on the association between variables X and Y based on only the correlation coefficient? c) What should the researcher do to avoid the mistake that might occur in part (b)?
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