The statistics of n=22 and s=14.3 result in this​ 95% confidence interval estimate of σ​: 11.0















The statistics of n=22 and s=14.3 result in this​ 95% confidence interval estimate of σ​: 11.0<><20.4. that="" confidence="" interval="" can="" also="" be="" expressed="" as​="" (11.0,="" 20.4).="" given="" that="" 15.7±4.7="" results="" in="" values="" of="" 11.0="" and​="" 20.4,="" can="" the="" confidence="" interval="" be="" expressed="" as="" 15.7±4.7="">



Choose the correct answer below.






A.

No. The format implies that s=​15.7, but s is given as 14.3. In​ general, a confidence interval for σ does not have s at the center.





B.

Yes. In​ general, a confidence interval for σhas s at the center.





C.

Yes. Since the​ chi-square distribution is​ symmetric, a confidence interval for
σcan be expressed as 15.7±4.7.






D.


Not enough information






Jun 09, 2022
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