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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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6 years ago
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kate lynn Author
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6 years ago
Thanks
kiara23247843
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
yen
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2 hours ago
Brilliant ツ
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