The confidence interval, $15.94

Question

The confidence interval, $15.94 < \sigma ^ { 2 } < 73.44$, for the population variance is based on the following sample statistics: $\mathrm { n } = 25 , \overline { \mathrm { x } } = 31.0$ and $\mathrm { s } = 5.5$. What is the degree of confidence?
A) 90%
B) 98%
C) 99%
D) 95%

Quizplus · Accepted Answer

The Answer of The confidence interval, $15.94 < \sigma ^ { 2 } < 73.44$, for the population variance is based on the following sample statistics: $\mathrm { n } = 25 , \overline { \mathrm { x } } = 31.0$ and $\mathrm { s } = 5.5$. What is the degree of confidence?
A) 90%
B) 98%
C) 99%
D) 95%

The Confidence Interval 15.94<σ2<73.4415.94 < \sigma ^ { 2 } < 73.4415.94<σ2<73.44

The Confidence Interval $15.94 < \sigma ^ { 2 } < 73.44$