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

Multiple Choice

Find the standardized test statistic t for a sample with $\mathrm { n } = 15 , \overline { \mathrm { x } } = 7.2 , \mathrm {~s} = 0.8 \text {, and } \alpha = 0.05 \text { if } \mathrm { H } _ { 0 } : \mu \leq 6.9 \text {. }$ Round your answer to three decimal places.

A) 1.452
B) 1.728
C) 1.631
D) 1.312