A researcher divides the population into P. G, Graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called
A. representative sampling
B. stratified sampling
C. stratified random sampling
D. None of the above
Answer:C
A researcher divides the population into P. G, Graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called
A. representative sampling B. stratified sampling C. stratified random sampling D. None of the above