(a) What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? x = 9.71 X yr S = 7.981 X yr (b) Develop a 95% confidence interval for the population mean years to maturity. 7.158 X yr to yr (c) What is the sample mean yield on corporate bonds and what is the sample standard deviation? x = 3.90 X % S = % (d) Develop a 95% confidence interval for the population mean yield on corporate bonds. % to %
(a) What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation? x = 9.71 X yr S = 7.981 X yr (b) Develop a 95% confidence interval for the population mean years to maturity. 7.158 X yr to yr (c) What is the sample mean yield on corporate bonds and what is the sample standard deviation? x = 3.90 X % S = % (d) Develop a 95% confidence interval for the population mean yield on corporate bonds. % to %
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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Transcribed Image Text:A sample containing years to maturity and yield for 40 corporate bonds are contained in the file CorporateBonds. (Round your answers to four decimal places.)
Company
Ticker
Company
Ticker
Years to
Years to
Maturity
Yield
Maturity
Yield
HSBC
12.00
4.079
FCX
10.00
4.030
GS
9.75
5.367
GS
25.50
6.913
4.75
3.332
RABOBK
4.75
2.805
MS
9.25
5.798
GE
26.75
5.138
C
9.75
4.414
НCN
7.00
4.184
TOTAL
5.00
2.069
GE
9.50
3.778
MS
5.00
4.739
VOD
5.00
1.855
WFC
10.00
3.682
NEM
10.00
3.866
ТОTAL
10.00
3.270
GE
1.00
0.767
ТОTAL
3.25
1.748
C
25.75
8.204
ВАС
9.75
4.949
SHBASS
5.00
2.861
RABOBK
9.75
4.203
РАА
10.25
3.856
GS
9.25
5.365
GS
3.75
3.558
АХР
5.00
2.181
ТОTAL
1.75
1.378
MTNΑ
5.00
4.366
MS
4.00
4.413

Transcribed Image Text:TOTAL
10.00
3.270
GE
1.00
0.767
ТОTAL
3.25
1.748
C
25.75
8.204
ВАС
9.75
4.949
SHBASS
5.00
2.861
RABOBK
9.75
4.203
РА
10.25
3.856
GS
9.25
5.365
GS
3.75
3.558
АХР
5.00
2.181
ТОTAL
1.75
1.378
MTΝΑ
5.00
4.366
MS
4.00
4.413
MTNA
10.00
6.046
WFC
1.25
0.797
JPM
4.25
2.310
AIG
5.00
3.452
GE
26.00
5.130
ВАС
29.75
5.903
LNC
10.00
4.163
MS
1.00
1.816
ВАС
5.00
3.699
T
28.50
4.930
(a) What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation?
X =
9.71
yr
= S
7.981
yr
(b) Develop a 95% confidence interval for the population mean years to maturity.
7.158
X yr to
yr
(c) What is the sample mean yield on corporate bonds and what is the sample standard deviation?
X =
3.90
%
%
= S
(d) Develop a 95% confidence interval for the population mean yield on corporate bonds.
% to
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