Question

Determine the critical value or values for a one-mean z-test at the 10% significance level if the hypothesis test is left-tailed (Ha:μ<μ0).z0.10 1.282z0.05 1.645z0.025 1.960z0.01 2.326z0.005 2.576

Answer 1

The critical value for a one-mean z-test at the 10% significance level for a left-tailed test is -1.282.

Step-by-step explanation:

The critical value for a one-mean z-test at the 10% significance level for a left-tailed test is -1.282. The critical value or values can be found by referring to the z-table or using a calculator. In this case, the critical value for the 10% significance level is -1.282.