A statistician wishes to test the claim that the standard deviation of the weights of firemen is greater than 25 pounds.

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A statistician wishes to test the claim that the standard deviation of the weights of firemen is greater than 25 pounds.
  • A statistician wishes to test the claim that the standard deviation of the weights of firemen is greater than 25 pounds.

  • Answers • 1 pages • 2019
  • A statistician wishes to test the claim that the standard deviation of the weights of firemen is greater than 25 pounds. To do so, she selected a random sample of 20 firemen and found s = 27.2 pounds. Assuming that the weights of firemen are normally distributed, to test her research hypothesis the statistician would use a chi-square test. In that case, what is the computed test value?
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