Essay
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 = 0.05.
Correct Answer:
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critical value 
90.531; standa...View Answer
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Correct Answer:
Verified
90.531; standa...View Answer
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