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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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kate lynn kate lynn
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6 years ago
To compute the necessary sample size for an interval estimate of a population mean, all of the following procedures are recommended when  is unknown except
 a. use the estimated  from a previous study.
 b. use the sample standard deviation from a preliminary sample.
  c. use judgment or a best guess.
 d. use .5 as an estimate.
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kwengertkwengert
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kate lynn Author
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6 years ago
Brilliant ツ
vernonb
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This helped my grade so much Perfect
ethom947
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This calls for a celebration Person Raising Both Hands in Celebration
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