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[Solved] In one area, monthly incomes of college graduates have a standard deviation of $650. It is believed that the standard deviation of monthly incomes

Question: In one area, monthly incomes of college graduates have a standard deviation of $650. It is believed that the standard deviation of monthly incomes of non-college graduates is higher. A sample of 71 non-college graduates are randomly selected and found to have a standard deviation of $950. Test the claim that non-college graduates have a higher standard deviation. Use \(\alpha \) = 0.05.

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