Question
Give two examples each of sample, population and variable.
Solution
Examples of Sample : Birth rate, death rate, literacy representative sample of 30 household in order to study the impact of the rise in petrol price on the household budget of a particular locality.
Example of Population : All the individuals, items, average incomes of people in a certain region, rise in petrol price on the household budget of a particular locality.
Example of variable : Changing prices of foodgrains, Increase / decrease in production of wheat.