For a Random Sample of 23 European Countries, the Variance $4.4 < \sigma ^ { 2 } < 14.6$

Multiple Choice

For a random sample of 23 European countries, the variance on life expectancy was years. What is the 95% confidence interval for the variance of life expectancy in all of
Europe?

A) $4.4 < \sigma ^ { 2 } < 14.6$
B) $5.6 < \sigma ^ { 2 } < 10.3$
C) $27.2 < \sigma ^ { 2 } < 118.3$
D) $28.9 < \sigma ^ { 2 } < 115.0$