Are nursing salaries in Tampa, Florida, lower than those in Dallas, Texas? As reported by the Tampa Tribune, salary data show staff nurses in Tampa earn less than staff nurses in Dallas. Suppose that in a followup study of 40 staff nurses in Tampa and 50 staff nurses in Dallas you obtain the following results.
Tampa  Dallas 
n_{1} = 40  n_{2} = 50 


s_{1} = $6000  s_{2} = $7000 
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