Question: A sample containing years to maturity and yield for 40 corporate bonds is contained in the Excel Online file below. Construct a spreadsheet to answer

 A sample containing years to maturity and yield for 40 corporatebonds is contained in the Excel Online file below. Construct a spreadsheet

A sample containing years to maturity and yield for 40 corporate bonds is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Open spreadsheet a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? Mean (to 4 decimals) Standard deviation (to 4 decimals) b. Develop a 95% confidence interval for the population mean years to maturity. Please round the answer to four decimal places. 1,1 years c. What is the sample mean yield on corporate bonds and what is the sample standard deviation? Mean (to 4 decimals) Standard deviation (to 4 decimals) d. Develop a 95% confidence interval for the population mean yield on corporate bonds. Please round the answer to four decimal places

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