Which of the Following Statements Is True About a Stratified

Multiple Choice

Which of the following statements is true about a stratified sampling plan?

A) In stratified sampling, objects in the same stratum are as varied as possible.
B) Members of the same stratum are likely to respond the same, which leads to results with lower variability.
C) In stratified sampling, several strata are randomly selected and data is collected on every member of the selected strata.
D) Stratified sampling works best when objects are received in sequence during a specific time period and the characteristic of interest can be reasonably assumed to be randomly mixed during
The time period in which the data will be collected.