Why do we use averages? Are there any limitations to their use? Illustrate with your own examples related to development.
Averages are used only to get an idea of the income per individual within a specified time period.
Yes, because ‘averages’ are useful for comparison but they hide disparities.
For example, let us consider the two countries, A and B. For the sake of simplicity, we have assumed that they have only five citizens each. We can represent this situation in the following table :
Table : Comparison of two countries
Countries |
Monthly Incomes of Citizens in 2007 (in Rupees) |
|||||
1 |
II |
III |
IV |
V |
Average |
|
Country A |
9500 |
10500 |
9800 |
10000 |
10200 |
10000 |
Country B |
500 |
500 |
500 |
500 |
48000 |
10000 |
Here we see that inspite of a large disparity in distribution of income among citizens of the “B” country, the average is worked out of same amount i.e., Rs. 10,000. Poor citizens are receiving only Rs. 500 each while one among them is earning Rs. 48,000 per month. Thus, country “B” is achieving only economic development while it apears from almost equal figures for each citizens of country “A” that there is honoured human development. People therefore, would like to settle in country “A” instead of country “B”.