Examlex
A scale whose numbers serve only as labels or tags for identifying and classifying objects with a strict one-to-one correspondence between the numbers and the objects is called an ordinal scale.
Sign Test
A nonparametric statistical test used to determine if there are differences between two paired samples.
T-test
A statistical method used to determine if there is a significant difference between the means of two groups, which may be related in certain features.
Nonparametric Technique
Statistical methods that do not assume a particular distribution for the data, often used when data doesn't fit standard distributions.
Population Distributions
The spread of characteristics (e.g., age, income) within a whole population, or the distribution of values of a variable across the entire population.
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