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Population Standard Deviation
Dear Experts,
I will need your kind assistance on this. I am very new towards Excel Functions, hope you have the patience for me. Thank you in advance. The question is: A Researcher wants to carry out a test involving the mean for a sample of size n = 18. She does not know the true value of population standard deviation, but is reasonably sure that the underlying population is approximately normally distributed. Should she use a z-test or at-test in carrying out the analysis? -- Message posted via http://www.officekb.com |
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