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Homework Help: statistics

Posted by Kelly on Thursday, January 3, 2013 at 8:43pm.

A food snack manu. samples 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and the sample standard deviation is .15, find the 95% confidence interval estimate for the true mean.

• statistics - PsyDAG, Friday, January 4, 2013 at 1:08pm

  95% = mean ± 1.96 SEm
  
  SEm = SD/√n
  

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