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The mean gross annual incomes of certified welders are normally distributed with the mean of $23,577 and a standard deviation of $2,358. The ship building association wishes to find out whether their welders earn more or less than $23,577 annually. The alternate hypothesis is that the mean is not $23,577. Which of the following is the alternate hypothesis?

Econometrics, Economics

  • Category:- Econometrics
  • Reference No.:- M9473863

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