In a Random Sample of 20 Patients Who Visited the Emergency

question 14

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.
Briefly describe what the interval estimate in the previous question tells you.

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Clean Air Act

A United States federal law designed to control air pollution on a national level by setting emissions standards for sources like automobiles and industrial facilities.

NEPA

NEPA stands for the National Environmental Policy Act, a United States environmental law that promotes the enhancement of the environment and established the President's Council on Environmental Quality (CEQ).

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