The Interesting Thing About Confidence Intervals Established Employing Stratified Sampling

question 29

Multiple Choice

The interesting thing about confidence intervals established employing stratified sampling is that

• A) the within-strata variability does not enter into the calculation of the standard error of estimate.
• B) the between-strata variability does not enter into the calculation of the standard error of estimate.
• C) neither the within-strata variability nor the between-strata variability enters into the calculation of the standard error of estimate.
• D) the confidence interval is wider than that established employing simple random sampling.
• E) the sample mean provides a biased estimate of the population mean.

---

Definitions:

Health Care Coverage

Insurance or governmental support that helps cover the cost of medical care for individuals and families.

Limited Access

Limited access refers to situations where the entry or usage of a resource, service, or market is restricted and not freely available to everyone.

Health Care

Services provided to individuals or communities by agents in the health services or professions for the purpose of promoting, maintaining, monitoring, or restoring health.

Singapore

An island city-state in Southeast Asia, known for its strong economy, efficient infrastructure, and strict governance.