For the Given Combination Of $\alpha$ And Degrees of Freedom $( \mathrm { df } )$

Multiple Choice

For the given combination of $\alpha$ and degrees of freedom $( \mathrm { df } )$ , find the value of $\chi _ { ( 1 - \alpha / 2 ) } ^ { 2 }$ that would be used to find the upper endpoint of a confidence interval for $\sigma ^ { 2 }$ .
$\alpha = 0.01 , \mathrm { df } = 6$

A) 0.675727
B) 0.872085
C) 18.5476
D) 0.411740