?Expressing Confidence Intervals Example 2 showed how the statistics of \(n=22\) and
Chapter 7, Problem 2(choose chapter or problem)
Expressing Confidence Intervals Example 2 showed how the statistics of \(n=22\) and \(s=14.3\) result in this 95% confidence interval estimate of \(\sigma: 11.0<\sigma<20.4\). That confidence interval can also be expressed as (11.0, 20.4), but it cannot be expressed as \(15.7 \pm 4.7\). Given that \(15.7 \pm 4.7\) results in values of 11.0 and 20.4, why is it wrong to express the confidence interval as \(15.7 \pm 4.7\)
Text Transcription:
n=22
s=14.3
\sigma: 11.0<\sigma<20.4
15.7 \pm 4.7
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