Question: A random sample of 15 statistics final exams from Dr. Mitchell's class had variance of 100, while a random sample of 20 statistics final exams

A random sample of 15 statistics final exams from Dr. Mitchell's class had variance of 100, while a random sample of 20 statistics final exams from Dr. Jones' class had variance of 64.

Find a 95% confidence interval for the ratio Population Variance Dr. Mitchell's Class/Population using chi-squared distribution

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