What Is an Estimated Pooled Variance

question 122

Multiple Choice

What is an estimated pooled variance?

• A)the weighted average of the variances estimates
• B)the variance of the difference between the sample means
• C)the sum of the two variances estimates
• D)the variance of the populations from which the samples were drawn

---

Definitions:

Health Insurance

is a type of insurance coverage that pays for an individual's medical and surgical expenses or reimburses losses from illness or injury.

Government Insurance

Protection or coverage provided by a governmental entity as opposed to private insurance companies, often for health, employment, or social welfare purposes.

Health Insurance Coverage

A contract between an individual or employer and an insurance company to cover part or all of the healthcare expenses incurred by the insured.

Health Care Spending

The total amount of money spent on medical services, medications, and other health-related products and services.