posted by Michelle .
Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed variance of . Some researchers claim that the variance of cholesterol levels of adult males is less than . Suppose that we want to carry out a hypothesis test to see if the actual variance of cholesterol levels of adult males is less than . State the null hypothesis and the alternative hypothesis that we would use for this test.
How do I enter a symbol for Statistics?