No cursive and simple answer

24. (10 points) In one area, monthly incomes of college graduates have a standard deviation of $900. It is believed that the standard deviation of monthly incomes of non-college graduates is higher. A sample of 19 non-college graduates are randomly selected and found to have a standard deviation of $950. Does the evidence suggest that the monthly incomes of non-college graduates have a higher standard deviation? Use a = 0.05. Use the rejection region method. a) State your null and alternative hypotheses. b) Determine your test statistic. c) Show your rejection region or the inequality you use to make your decision. d) State your decision (reject HO or fail to reject HO) e) Interpret your decision in terms of the original