Examlex
If the nonmetric variables are nominal and numeric,Spearman's rho and Kendall's tau are two measures of nonmetric correlation that can be used to examine the correlation between them.
Null Hypothesis
A hypothesis that suggests there is no significant difference or relationship between specified groups or variables, serving as a default position until evidence suggests otherwise.
Sampling Error
The error that occurs due to selecting a sample instead of conducting a census of the entire population, leading to discrepancies between the sample and population parameters.
Statistical Power
The probability that a statistical test will correctly reject a false null hypothesis, related to the study's sample size and effect size.
Type II Error
Occurs when a false null hypothesis is not rejected, implying a failure to detect an effect or difference when one actually exists.
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