The Formula for the Confidence Interval of the Population Variance

question 41

Short Answer

The formula for the confidence interval of the population variance σ² is valid only when the random sample is drawn from a ________ distributed population.

---

Definitions:

Health Care Costs

The expenses associated with medical treatment, including the costs of hospitalization, medications, preventive care, and medical devices.

Per Capita GDP

Gross Domestic Product per person, a measure comparing the economic output of a country relative to its population size.

Personal Disposable Income

Personal disposable income is the amount of money that households have available for spending and saving after income taxes have been accounted for.

Savings

Money set aside for future use rather than spent immediately, often in a bank or other financial institution.