Use the traditional method to test the given hypothesis Assume that the population is normally distributed and that the sample has been randomly selected Provide the following a Degrees of Freedom Select b Test Statistic Select c Critical Value Select d Decision Select e Interpret your decision in context of the problem Select A manufacturer uses a new production method to produce steel rods A random sample of 17 steel rods resulted in lengths with a standard deviation of 4 7 cm At the 0 10 significance level test the claim that the new production method has lengths with a standard deviation different from 3 5 cm which was the standard deviation for the old method