What are the null and alternative hypotheses for this study

What are the null and alternative hypotheses for this study? Given the test statistic is 5.1, what is our decision about the average cost? What is the critical z-value for this test? A study is made comparing the cost to rent a one-bedroom apartment in Cincinnati wit! the corresponding cost of similar apartments in Pittsburgh. A sample of 35 apartments Cincinnati showed the mean rental rate to be $370, with a standard deviation of $30. A sample of 40 apartments in Pittsburgh showed the mean rate to be $380, with a standard deviation of $26. Conduct the following test of hypothesis using the .05 significance level. What kind of test is this? What is the value of the test statistic? Is there a significant difference in the man rental rate between Cincinnati and Pittsburgh?

Solution

Question No Option 30 c 31 b 32 c 33 e 34 a 35 e z-value -1.5319 two-tailed p-value 0.1256