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 follow-up study of 35 staff nurses in Tampa and 45 staff nurses in Dallas you obtain the following results. Enter negative value as negative number. Tampa Dallas nį = 35 n2 = 45 ¤1 = $52,000 *2 = $55,300 81 = $5,200 82 = $5,700 a. Formulate hypothesis so that, if the null hypothesis is rejected, we can conclude that salaries for staff nurses in Tampa are significantly lower than for those in Dallas. Use a = 0.05. Select your answer - 7H – InH : 0H Ha : µ1 – P2 - Select your answer - b. What is the value of the test statistic? |(to 3 decimals) c. What is the p-value? Degrees of freedom is Round degrees of freedom to previous whole number. p-value is - Select your answer - v d. What is your conclusion? We - Select your answer - v that the salaries of staff nurses are lower in Tampa than in Dallas.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.