A sample of years to maturity and yield for 40 corporate bonds taken from Barron's is given below. Years to Maturity 4.25 Years to Maturity 7.75 13.25 28.25 26.50 17.50 20.50 22.25 5.00 10.00 7.50 19.75 29.75 23.00 1.25 10.75 29.25 18.75 9.00 23.50 14.25 21.75 16.25 17.00 25.75 15.00 25.25 9.50 a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? Mean Standard deviation 19.00 2.75 5.75 2.25 27.25 6.75 15.25 3.50 5.00 24.25 11.75 12.25 years (to 2 decimals) years (to 2 decimals) b. Develop a 95% confidence interval for the population mean years to maturity. Round the answer to two decimal places. Yield 4.152 4.509 7.048 5.086 1.157 4.148 2.894 5.435 1.139 2.886 1.584 7.929 5.945 3.725 4.695 3.972 4.214 2.811 7.936 2.208 Mean Yield 1.129 1.195 2.577 4.340 Standard deviation 7.858 6.216 2.521 1.016 5.415 5.228 2.938 2.257 6.001 3.513 1.990 5.763 2.727 7.690 5.989 4.177 years c. What is the sample mean yield on corporate bonds and what is the sample standard deviation? % (to 4 decimals) % (to 4 decimals) d. Develop a 95% confidence interval for the population mean yield on corporate bonds. Round the answer to four decimal places. ) percent
A sample of years to maturity and yield for 40 corporate bonds taken from Barron's is given below. Years to Maturity 4.25 Years to Maturity 7.75 13.25 28.25 26.50 17.50 20.50 22.25 5.00 10.00 7.50 19.75 29.75 23.00 1.25 10.75 29.25 18.75 9.00 23.50 14.25 21.75 16.25 17.00 25.75 15.00 25.25 9.50 a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? Mean Standard deviation 19.00 2.75 5.75 2.25 27.25 6.75 15.25 3.50 5.00 24.25 11.75 12.25 years (to 2 decimals) years (to 2 decimals) b. Develop a 95% confidence interval for the population mean years to maturity. Round the answer to two decimal places. Yield 4.152 4.509 7.048 5.086 1.157 4.148 2.894 5.435 1.139 2.886 1.584 7.929 5.945 3.725 4.695 3.972 4.214 2.811 7.936 2.208 Mean Yield 1.129 1.195 2.577 4.340 Standard deviation 7.858 6.216 2.521 1.016 5.415 5.228 2.938 2.257 6.001 3.513 1.990 5.763 2.727 7.690 5.989 4.177 years c. What is the sample mean yield on corporate bonds and what is the sample standard deviation? % (to 4 decimals) % (to 4 decimals) d. Develop a 95% confidence interval for the population mean yield on corporate bonds. Round the answer to four decimal places. ) percent
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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