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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The Answer of 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.

In a Random Sample of 20 Patients Who Visited the Emergency