Test Hypotheses About a Population Mean with Unknown
-Find the Standardized

Multiple Choice

Test Hypotheses about a Population Mean with Unknown
-Find the standardized test statistic t for a sample with n = 10, x = 8.8, s = 1.3, and = 0.05 if H0: 9.7. Round your answer to three decimal places.

A) $- 2.189$
B) $- 3.186$
C) $- 3.010$
D) $- 2.617$