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The average monthly Social Security Benefit for a specific year for retired workers was $954.90 and fir disabled workers was $894.10. Researchers used data from

The average monthly Social Security Benefit for a specific year for retired workers was $954.90 and fir disabled workers was $894.10. Researchers used data from the Social Security records to test the claim that the difference in monthly benefits between the two groups was greater than 30.What is the null and alternative hypothesis?

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