Question

Mr Ramlal who is running a chain of schools in Delhi, he wants to study the economic
condition of the employees of his schools. For this purpose he divides the employees into
different categories
(1) Post graduate teachers
(2) Trained graduate teachers
(3) Administrative staff
(4) class iv staff
Each of these groups are more or less homogeneous. From each of these four groups,
an equal number of employees is selected to make a sample.
This method of selection is called------------(stratified random sampling/ systematic
sampling)
(Choose the correct alternative)​

Answer 1

Answer:

stratified random sampling/