Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas? Salary data show staff nurses in Tampa earn less than staff nurses in Dallas. Suppose that in a follow-up study of 60 staff nurses in Tampa and 60 staff nurses in Dallas you obtain the following results:     Tampa Dallas xbar 51900 53200 s 6000 6000 n 60 60     Tampa are lower than for those in Dallas. Use α=0.05. Let Tampa be population 1.   What is the value of the test statistic?

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