In a Random Sample of 20 Patients Who Visited the Emergency

question 44

Essay

In a random sample of 20 patients who visited the emergency room of hospital 1, a researcher found that the variance of the waiting time (in minutes) was 128.0. In a random sample of 15 patients in the emergency room of hospital 2, the researcher found the variance to be 178.8.
Can we infer at the 5% level of significance that the population variances differ?

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Definitions:

Cohesive Culture

A culture within an organization or group characterized by shared values, beliefs, and practices that foster unity and cooperation.

Supplement Income

Earning extra money beyond one's primary source of income, often through side jobs or passive income sources.

Ontological Security

A stable mental state derived from a sense of continuity and order in one's experiences, giving individuals a sense of biographical coherence.

Corrosion of Character

The gradual wearing away of an individual's integrity and ethical standards, often due to prolonged exposure to morally compromising situations or environments.