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11.6 Exercise 13

Avg difficulty 2.5


Use the following information to answer the next four exercises: The average waiting time in a doctor’s office varies. The standard deviation of waiting times in a doctor’s office is 3.4 minutes. A random sample of 30 patients in the doctor’s office has a standard deviation of waiting times of 4.1 minutes. One doctor believes the variance of waiting times is greater than originally thought.

What is the p-value?

OpenStax Statistics, 11.6 Test of a Single Variance, exercise 13

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