Examlex
Which of the following statements is in the realm of positive economics?
T-test
A statistical test used to compare the means of two groups, often employed to determine if there are significant differences between them.
Alpha
In statistics, alpha refers to the probability of making a Type I error, which is the incorrect rejection of a true null hypothesis.
Two-Tier Wage System
A remuneration model where two distinct pay scales exist for employees within the same organization, often based on seniority or job role.
Labor Costs
The total sum of all wages, benefits, and taxes that a business must pay for its employees.
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