Answer Happy

You may need to use the appropriate technology to answer this question Are nursing salaries in City A lower than those in City B? As reported by a newspaper, salary data show staff nurses in City A earn less than staff nurses in City B. Suppose that in a follow-up study of 40 staff nurses in City A and 50 staff nurses in City B you obtain the following results. City A City B "; - 40 z = 50 = $56,300 12 = $59,400 5,= $6,000 $y = $7,000 (a) Formulate hypotheses so that, if the null hypothesis is rejected, we can conclude that salaries for staff nurses in City A are significantly lower than for those in City B. Use a = 0.05. o Mo: M1 M250 ни - 2 >0 но: 1 - 2 * HH - 2 = 0 Ho: - = 0 HH - 20 HOW - 220 на: 1 - 2 < 0 Hoi H1 - 2 > 0 H: #1 - 12 - 0 o 0 (b) What is the value of the test statistic? (Round your answer to three decimal places.) 1.935 (C) What is the p-value? (Round your answer to four decimal places.) p-value = .0236 X (d) What is your conclusion? Do not Reject Ho. There is sufficient evidence to conclude that the salaries of staff nurses are lower in City A than in City B. Reject Ho. There is sufficient evidence to conclude that the salaries of staff nurses are lower in City A than in City B. Do not reject Ho. There is insufficient evidence to conclude that the salaries of staff nurses are lower in City A than in City B. Reject Ho. There is insufficient evidence to conclude that the salaries of staff nurses are lower in City A than in City B.