Find the Required $\chi ^ { 2 }$ Value
-For A \chi

Multiple Choice

Find the required $\chi ^ { 2 }$ value.
-For a $\chi ^ { 2 }$ -curve with 18 degrees of freedom, find the $\chi ^ { 2 }$ -value having area $0.975$ to its right.

A) $7.564$
B) $31.526$
C) $8.231$
D) $9.390$