Q1 of 30 Page 9

Give three examples where an average is used for comparing situations.

Examples where an average is used for comparing situations are as follows:

a) Measuring the height of students in a class with a large number of students.


b) Collecting the data of income of people of a particular state.


c) Forest cover in a country.


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2

Read the newspaper report and answer the questions that follow:

A vessel dumped 500 tonnes of liquid toxic wastes into open-air dumps in a city and in the surrounding sea. This happened in a city called Abidjan in Ivory Coast, a country in Africa. The fumes from the highly toxic waste caused nausea, skin rashes, fainting, diarrhea etc. After a month, seven persons were dead, twenty in hospital and twenty six thousand treated for symptoms of poisoning.


A multinational company dealing in petroleum and metals had contracted a local company of the Ivory Coast to dispose the toxic waste from its ship.


(i) Who are the people who benefited and who did not?


(ii) What should be the developmental goal for this country?

 3

What can be some of the developmental goals for your village, town or locality?

 2

Why do you think average income is an important criterion for development? Explain.

 3

Besides size of per capita income, what other property of income is important in comparing two or more societies?