Find the Standardized Test Statistic T for a Sample With \mathrm

Multiple Choice

Find the standardized test statistic t for a sample with $\mathrm { n } = 12 , \overline { \mathrm { x } } = 31.2 , \mathrm {~s} = 2.2 \text {, and } \alpha = 0.01 \text { if } \mathrm { H } _ { 0 } : \mu = 30$ Round your answer to three decimal places.

A) 1.890
B) 1.991
C) 2.132
D) 2.001