A Sample Standard Deviation and Sample Size Are Given $\chi ^ { 2 }$

Multiple Choice

A sample standard deviation and sample size are given. Use the one-standard-deviation $\chi ^ { 2 }$ interval procedure to obtainthe specified confidence interval.
- $\mathrm { s } = 9 , \mathrm { n } = 10,90 \%$ confidence interval

A) $2.188$ to $4.936$
B) $7.046$ to $13.225$
C) $19.692$ to $44.421$
D) $6.564$ to $14.807$