Jobs and productivity! How do banks rate? One way to answer this question is to examine annual profits per employee. The

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Jobs And Productivity How Do Banks Rate One Way To Answer This Question Is To Examine Annual Profits Per Employee The 1 (48.66 KiB) Viewed 12 times

Jobs and productivity! How do banks rate? One way to answer this question is to examine annual profits per employee. The following is data about annual profits per employee (in units of 1 thousand dollars per employee) for representative companies in financial services. Assume o 10.4 thousand dollars. 35.5 36.9 36.9 51.6 60.0 57.9 56.5 53.7 42.5 33.0 33.6 36.9 27.0 47.1 33.8 28.1 28.5 29.1 36.5 36.1 26.9 27.8 28.8 29.3 31.5 31.7 31.1 38.0 32.0 31.7 32.9 23.1 54.9 43.8 36.9 31.9 25.5 23.2 29.8 22.3 26.5 26.7 (a) Use a calculator or appropriate computer software to find x for the preceding data. (Round your answer to two decimal places.) X thousand dollars (b) Let us say that the preceding data are representative of the entire sector of (successful) financial services corporations. Find a 75% confidence interval for μ, the average annual profit per employee for all successful banks. (Round your answers to two decimal places.) lower limit upper limit thousand dollars thousand dollars (c) Let us say that you are the manager of a local bank with a large number of employees. Suppose the annual profits per employee are less than 30 thousand dollars per employee. Do you think this might be somewhat low compared with other successful financial institutions? Explain by referring to the confidence interval you computed in part (b). O Yes. This confidence interval suggests that the bank profits are less than those of other financial institutions. O Yes. This confidence interval suggests that the bank profits do not differ from those of other financial institutions. O No. This confidence interval suggests that the bank profits are less than those of other financial institutions. O No. This confidence interval suggests that the bank profits do not differ from those of other financial institutions.