A sample containing years to maturity and yield for 40 corporate bonds are contained in the data file named Corporatebonds (barron’s, April 2, 2012). a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? b. Develop a 95% confidence interval for the population mean years to maturity. c. What is the sample mean yield on corporate bonds and what is the sample standard deviation? d. Develop a 95% confidence interval for the population mean yield on corporate bonds.

Managers at flavors, a restaurant chain, train their employees such that in the absence of employees, someone trained in the same skills can step in and do the job equally well. thus, many modules in training are extensive as they provide employees with details of the skill sets required for different jobs. in practice, this lengthy training program does the company as a well-trained and flexible workforce is at their disposal at all times. the managers at flavors use a) job rotationb) vertical enhancementc) telecommutingd) job sharinge) flextime