Examlex
The underlying forces that dictate price are generally the same across industries,so that all businesses in that industry have the same underlying cost factors.
Ordinal
A scale of measure that categorizes data while also ranking them in a meaningful order, but without indicating the exact differences between ranks.
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.
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