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Asked by lou

construct a 95% confidence interval estimate for the population mean MPG of 2010 family sedans, assuming a normal distribution.
11 years ago

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Answered by PsyDAG
Necessary data missing. Mean? SD? Number in sample?

95% = mean ± 1.96 SEm

SEm = SD/√n
11 years ago
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construct a 95% confidence interval estimate for the population mean MPG of 2010 family sedans, assuming a normal distribution.

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