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Spearman Rank
An assessment of rank correlation using a non-parametric approach that evaluates the extent to which a monotonic function can accurately describe the relationship between two variables.
Correlation Coefficient
A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.
Test Statistic
A number derived from sample information, employed in hypothesis testing to decide if the null hypothesis should be discarded.
Sample
A subset chosen from a larger population for the purpose of investigation.
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