14. Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas?

14. Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas? Salary data pro- vided by http://www.salary.com shows staff nurses in Tampa earn less than staff nurses in Dallas (The Tampa Tribune, January 15, 2007). Suppose that in a follow-up study of 40 staff nurses in Tampa and 50 staff nurses in Dallas you obtain the following results:

a. Formulate hypotheses so that, if the null hypothesis is rejected, we can conclude that salaries for staff nurses in Tampa Bay are significantly lower than for those In Dallas. 

Use α=.05

b.     What is the value of the test statistic?

c.      What is the p-value?

d.     What is your conclusion?