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Previous Question Question 2 Of 4 You Have Answered 0 Of 30 Parts Next Question Jump To Question 1 2 3 4 In An Empl 1 (366.69 KiB) Viewed 92 times

Previous question Question 2 (of 4) You have answered 0 of 30 parts Next question > Jump to question: 1 2 3 4 In an employment survey of New Zealand nurses, it was found that 266 of 450 North Island (N) nurses were in active employment, and 148 of 300 South Island (S) nurses were in active employment. Of interest is whether there is a difference in the proportion of North and South Island nurses who are in active employment. a) What proportion of the nurses in your sample who work in the North Island were in active employment? 4DP b) 4DP c) What proportion of the nurses in your sample who work in the South Island were in active employment? Calculate the difference in the two sample proportions. Use the order of differencing PN - Ps. Calculate the standard error for the difference in the two proportions. 4DP d) 4DP e) Calculate a 95% confidence interval for the difference in the two proportions. The lower limit is: 3DP II The upper limit is: 3DP f) Select the appropriate conclusion given the confidence interval you have calculated above. We are 95% confident that the true difference in the proportions of nurses employed in the North and South Islands lies between the limits found above. As zero is included in the confidence interval there is evidence of a difference in the proportions of nurses employed in the North and South Islands. We are 95% confident that the true difference in the proportions of nurses employed in the North and South Islands lies between the limits found above. As zero is included in the confidence interval there is no evidence of a difference in the proportions of nurses employed in the North and South Islands. We are 95% confident that the true difference in the proportions of nurses employed in the North and South Islands lies between the limits found above. As zero is excluded from the confidence interval and the interval is entirely positive, there is evidence that a greater proportion of nurses are employed in the North Island than the South Island. We are 95% confident that the true difference in the proportions of nurses employed in the North and South Islands lies between the limits found above. As zero is excluded from the confidence interval there is evidence of a difference in the proportions of nurses employed in the North and South Islands. O We are 95% confident that the true difference in the proportions of nurses employed in the North and South Islands lies between the limits found above. As zero is excluded from the confidence interval and the interval is entirely negative, there is evidence that a lower proportion of nurses are employed in the North Island than the South Island.