Question

what is stratified or mixed sampling.What are its advantages in long ​

Answer 1

Answer:

$\huge\underline\bold{ANSWER:-}$

Stratified sampling offers several advantages over simple random sampling. A stratified sample can provide greater precision than a simple random sample of the same size. ... A stratified sample can guard against an "unrepresentative" sample (e.g., an all-male sample from a mixed-gender population)

Answer 2

ANSWER (✷‿✷)

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Stratified sampling offers several advantages over simple random sampling. A stratified sample can provide greater precision than a simple random sample of the same size. ... A stratified sample can guard against an "unrepresentative" sample (e.g., an all-male sample from a mixed-gender population)

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