To choose a stratified sample you divide the population into groups ca…

Question

To choose a stratified sample you divide the population into groups called strata and then take:

Accepted Answer

A. A proportionate number from each

1. Stratified sampling guarantees each subgroup is represented.
2. To choose a stratified sample, divide the population into groups called strata.
3. Then take a proportionate number from each stratum.
4. Taking a whole group instead would be cluster sampling.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 1 'Sampling and Data', sections 1.1-1.4_

Answer

One whole stratum at random

Answer

Every nth item from a list

Answer

Whoever is easiest to reach

To choose a stratified sample you divide the population into groups called strata and then take:

Keep practising Sampling and Data