Test Hypotheses About a Population Mean with Known Using the Classical

Multiple Choice

Test Hypotheses about a Population Mean with Known Using the Classical Approach
-You wish to test the claim that $\mu \neq 43$ at a level of significance of $\alpha = 0.05$ and are given sample statistics $\mathrm { n } = 35$ , $\bar { x } = 42.1$ , and $\sigma = 2.7$ . Compute the value of the test statistic. Round your answer to two decimal places.

A) $- 1.97$
B) $- 3.12$
C) $- 2.86$
D) $- 1.83$