Give three examples where an average is used for comparing situations.
Averages are often used to compare different situations effectively. One common example is comparing the economic development of countries. For instance, average income (per capita income) is used to compare the income levels of different nations, such as Country A and Country B.
Secondly, averages are used to compare states within a country. For example, per capita income is used to compare the development levels of states like Kerala and Haryana. Thirdly, organizations like the World Bank use average income as a criterion to classify countries into different categories, such as rich or poor.
While averages are useful for comparison, they also hide disparities, as they do not show how income is distributed among the people.
Explanation
The provided context explicitly discusses the use of 'Average Income' to compare countries (Country A vs B) and states (Kerala vs Haryana). It also references the World Bank's use of per capita income for classification. Although the text mentions student attributes like height and health in the context of comparison, it does not explicitly state that 'averages' are used for these attributes, whereas it repeatedly links 'averages' to income. Therefore, the answer focuses on the different applications of average income mentioned across the text chunks.