DATAfile: CorporateBonds
You may need to use the appropriate appendix table or technologyto answer this question.
A sample containing years to maturity and yield for 40 corporatebonds are contained in the data file named CorporateBonds.†(Roundyour answers to four decimal places.)
Company
Ticker | Years to
Maturity | Yield |
|---|
| HSBC | 12.00 | 4.079 |
| GS | 9.75 | 5.367 |
| C | 4.75 | 3.332 |
| MS | 9.25 | 5.798 |
| C | 9.75 | 4.414 |
| TOTAL | 5.00 | 2.069 |
| MS | 5.00 | 4.739 |
| WFC | 10.00 | 3.682 |
| TOTAL | 10.00 | 3.270 |
| TOTAL | 3.25 | 1.748 |
| BAC | 9.75 | 4.949 |
| RABOBK | 9.75 | 4.203 |
| GS | 9.25 | 5.365 |
| AXP | 5.00 | 2.181 |
| MTNA | 5.00 | 4.366 |
| MTNA | 10.00 | 6.046 |
| JPM | 4.25 | 2.310 |
| GE | 26.00 | 5.130 |
| LNC | 10.00 | 4.163 |
| BAC | 5.00 | 3.699 |
Company
Ticker | Years to
Maturity | Yield |
|---|
| FCX | 10.00 | 4.030 |
| GS | 25.50 | 6.913 |
| RABOBK | 4.75 | 2.805 |
| GE | 26.75 | 5.138 |
| HCN | 7.00 | 4.184 |
| GE | 9.50 | 3.778 |
| VOD | 5.00 | 1.855 |
| NEM | 10.00 | 3.866 |
| GE | 1.00 | 0.767 |
| C | 25.75 | 8.204 |
| SHBASS | 5.00 | 2.861 |
| PAA | 10.25 | 3.856 |
| GS | 3.75 | 3.558 |
| TOTAL | 1.75 | 1.378 |
| MS | 4.00 | 4.413 |
| WFC | 1.25 | 0.797 |
| AIG | 5.00 | 3.452 |
| BAC | 29.75 | 5.903 |
| MS | 1.00 | 1.816 |
| T | 28.50 | 4.930 |
(a)
What is the sample mean years to maturity for corporate bondsand what is the sample standard deviation?
x=Â Â yrs=Â Â yr
(b)
Develop a 95% confidence interval for the population mean yearsto maturity.
yr to  yr
(c)
What is the sample mean yield on corporate bonds and what is thesample standard deviation?
x=Â Â % s=Â Â %
(d)
Develop a 95% confidence interval for the population mean yieldon corporate bonds.
__________ % to  % _____________
