Abler is a non-government organization (NGO) using dry waste material to produce electricity. Abler is facing hurdles in convincing people to put dry wasted material in the baskets and bags provided to them after every 3 days at their doors. For this they have decided to start an awareness campaign for the advantages of using dry waste material to produce cheap electricity. For this a team of researchers has divided population of 5 different cities into sub groups on the basis of areas. Every group includes population containing different characteristics including different age groups, education level and professions. After dividing whole population into small subgroups, 30 small subgroups were chosen randomly to start with.
Which type of sampling design they have used? Justify your answer.
I NEED AN IDEA SOLUTION...PLEASE SHARE...YOUR IDEA....TODAY IS LAST DATE....
REGARDS
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