A Sample of 23 European Countries Found That the Variance $27.2 < \sigma ^ { 2 } < 118.3$

Multiple Choice

A sample of 23 European countries found that the variance on life expectancy was 7.3 years. What is the 95% confidence interval for the variance of life expectancy in Europe?

A) $27.2 < \sigma ^ { 2 } < 118.3$
B) $56 < \sigma ^ { 2 } < 10.3$
C) $4.4 < \sigma ^ { 2 } < 14.6$
D) $289 < \sigma ^ { 2 } < 1150$