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A researcher divides the populations into PG, graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called
A researcher divides the populations into PG, graduates and 10+2 students and using the random digit table he selects some of them from each. This is technically called
1). stratified sampling
2). stratified random sampling
3). representative sampling,
4). none of these
1). stratified sampling
2). stratified random sampling
3). representative sampling,
4). none of these
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stratified random sampling
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