Compute the Standardized Test Statistic $X ^ { 2 }$ To Test the Claim

Multiple Choice

Compute the standardized test statistic, $X ^ { 2 }$ to test the claim $\sigma ^ { 2 } \geq 12.6 \text { if } \mathrm { n } = 15 , \mathrm {~s} ^ { 2 } = 10.5 , \text { and } \alpha = 0.05$

A) 11.667
B) 8.713
C) 12.823
D) 23.891