Which of the Following Statements Is True About a Stratified

question 23

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.