Essay
Use the traditional method to test the given hypothesis. Assume that the population is normally distributed and that the sample has been randomly selected.
-In one town, monthly incomes for men with college degrees are found to have a standard deviation of $650. Use a 0.01 significance level to test the claim that for men without college degrees in that town, incomes have a higher standard deviation. A random sample of 22 men without college degrees resulted in incomes with a standard deviation of $901.
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