Requirements If we want to use the sample data from Exercise 1 to test the claim that
Chapter 8, Problem 2(choose chapter or problem)
Requirements If we want to use the sample data from Exercise 1 to test the claim that the sample is from a population with a standard deviation less than 1.8 min, we must satisfy the requirements of having a simple random sample and a normally distributed population. In Exercise 1 it was stated that the sample is a simple random sample. a. In general, how does the normality requirement for a hypothesis test of a claim about a standard deviation differ from the normality requirement for a hypothesis test of a claim about a mean? b. What methods can be used to determine whether the normality requirement is satisfied?
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