Solution: A random sample of 90 observations produced a mean x̄=25.9 and a standard deviation s=2.7. Find a 95 \% confidence interval for the population
Question: A random sample of 90 observations produced a mean \(\bar{x}=25.9\) and a standard deviation \(s=2.7\).
- Find a \(95 \%\) confidence interval for the population mean \(\mu\).
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