The average salary in this city is $44,400. Is the average different for single people? 51 randomly selected single people who were surveyed had an average salary of $38,031 and a standard deviation of $16,870. What can be concluded at the = 0.01 level of significance?

1. For this study, we should use Select an answer z-test for a population proportion t-test for a population mean
2. The null and alternative hypotheses would be:

H0:H0: ? p Select an answer = < >

H1:H1: ? p Select an answer = > <

1. The test statistic ? z t = (please show your answer to 3 decimal places.)
2. The p-value = (Please show your answer to 4 decimal places.)
3. The p-value is ? >
4. Based on this, we should Select an answer accept reject fail to reject the null hypothesis.