Examlex
Statistical tests that are not very sensitive to errors in assumptions are called parametric tests.
Services
Economic activities that provide intangible products, such as education, healthcare, and financial and professional services, rather than physical goods.
Income Levels
Categories or ranges of income that differentiate various groups within a society, often used in analyzing economic and social status.
Saving
The portion of income not spent on current expenditures or taxes, typically set aside for future use or investment.
Disposable Income
Funds households can allocate for spending and saving purposes after income taxes are subtracted.
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