A researcher wants to test if the mean annual salary of all lawyers in a city is different from

110,000. A random sample of52lawyers selected from the city reveals a mean annual salary of

115000. Assume that

19800, and that the test is to be made at the2% significance level.

What are the critical values ofz?

-1.28and1.28

-2.05and2.05

-2.33and2.33

-1.645and1.645

What is the value of the test statistic,z, rounded to three decimal places?

Enter you answer; What is the value of the test statistic, z?

What is thep-value for this hypothesis test, rounded to four decimal places?

Enter you answer; What is the p-value for this hypothesis test?

Should you reject or fail to reject the null hypothesis in this test?

Choose your answer; Should you reject or fail to reject the null hypothesis in this test?

Reject.Fail to reject.