QuickHelper

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Teaching Since: May 2017
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  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

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  • Corportae Manager
    ChevronTexaco Corporation
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Category > Statistics Posted 05 Sep 2017 My Price 11.00

4 T-test and Z-test questions

Following is one of the 4 questions, all the 4 questions is under the document.

Boys of a certain age are known to have a mean weight of 85 pounds (sd = 11.6). A complaint is made that the boys living in a state children's home are underfed. As one bit of evidence, 25 boys (of the same age) are weighed and found to have a mean weight of 80.94 pounds.

  • What is the DV?
  • Null
  • Alternative
  • One-tailed or two-tailed?
  • Which test?
  • Critical Value:
  • Compute the test statistic.
  • Compare the test statistic to its corresponding critical value. Is the null rejected? If yes, interpret the results.

Answers

QuickHelper
(10)
Status NEW Posted 05 Sep 2017 07:09 AM My Price 11.00

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