National Income: Definition, Uses & Limitations

National Income: Definition, Uses, Problems & Limitations

National income is the monetary value of all goods and services produced in a country in a year or the totality of income accruable to all factors of production employed in producing goods and services in the year in the country such as wages, salaries, rents, interests and profits. It is equal to NNP - Indirect Business Taxes.
Measures of Dispersion: Definition, Types, Pros & Cons

Measures of Dispersion: Definition, Types, Pros & Cons

Measures of dispersion or spread give us some idea of how the values of a distribution cluster around the average and to what extent the observations differ from the mean. The three main measures of dispersion of a distribution are the range, the variance and the standard deviation.