Question

Which statement about stratified random sampling is true?

A stratified random sample is a combination of simple random samples selected from each of several strata.
A stratified random sample is formed by selecting one stratum from a simple random sample of the population.
A selection of every 3rd person from an alphabetical list of a population forms a stratified random sample.
A stratified random sample consists of choosing several strata, and each stratum is representative of the entire population

Answer 1

Answer: A stratified random sample consists of choosing several strata, and each stratum is representative of the entire population.

Step-by-step explanation: well i knew this answer by studying in my math class

Answer 2

Answer:

the right answer is A: A stratified random sample is a combination of simple random samples selected from each of several strata

Step-by-step explanation: