Question

why stratified sampling is also known as mixed sampling?
plz answer........

Answer 1

After dividing the population into strata, the researcher randomly selects the sample proportionally. Description: Stratified sampling is a common sampling technique used by researchers when trying to draw conclusions from different sub-groups or strata.

Answer 2

Answer:

The divison of population into different strata is purposely done while selection of the items is done at random