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In a particular city, the average annual salary for secretaries is $28,000. A sample of 50...

In a particular city, the average annual salary for secretaries is $28,000. A sample of 50 secretaries from Company A shows an average annual salary of $23,500 with a population standard deviation of $5,000. Secretaries at Company A claim they are paid less than the city average. What is the test value for this claim?

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