Asked by Anonymous
A food manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 14.2 oz and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean.
Answers
Answered by
PsyDAG
95% = mean ± 1.96 SEm
SEm = SD/√n
SEm = SD/√n
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