priscillainslee6764 priscillainslee6764
  • 02-12-2017
  • Mathematics
contestada

Which condition must be met to conduct a test for the difference in two sample means using a z-statistic?

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omgrachaell
omgrachaell omgrachaell
  • 02-12-2017
I believe the standard deviations of the population have to be known
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