A sample of to maturity and yield for 40 corporate bonds taken from Barron's is in the DATAfile named CorporateBonds. 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.

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1 Company Ticker Years
2 GE
3 MS
4 WFC
5 TOTAL
6 ТОТAL
7 GS
8 MS
9 JPM
10 C
Yield
1
0.767
1
1.816
1.25
0.797
1.75
1.378
3.25
1.748
3.75
3.558
4
4.413
4.25
2.31
4.75
3.332
11 RABOBK
4.75
2.805
12 TOTAL
5
2.069
13 MS
14 AXP
15 MTNA
5
4.739
5
2.181
5
4.366
16 ВАС
5
3.699
17 VOD
18 SHBASS
5
1.855
5
2.861
19 AIG
5
3.452
20 HCN
21 MS
22 GS
23 GE
24 GS
25 с
26 BAC
27 RABOBK
28 WFC
7
4.184
9.25
5.798
9.25
5.365
9.5
3.778
9.75
5.367
9.75
4.414
9.75
4.949
9.75
4.203
10
3.682
29 TOTAL
10
3.27
30 MTNA
31 LNC
32 FCX
33 NEM
10
6.046
10
4.163
10
4.03
10
3.866
34 PAA
10.25
3.856
35 HSBC
12
4.079
36 GS
37 C
38 GE
39 GE
25.5
6.913
25.75
8.204
26
5.13
26.75
5.138
40 T
41 ВАС
28.5
4.93
29.75
5.903
Transcribed Image Text:1 Company Ticker Years 2 GE 3 MS 4 WFC 5 TOTAL 6 ТОТAL 7 GS 8 MS 9 JPM 10 C Yield 1 0.767 1 1.816 1.25 0.797 1.75 1.378 3.25 1.748 3.75 3.558 4 4.413 4.25 2.31 4.75 3.332 11 RABOBK 4.75 2.805 12 TOTAL 5 2.069 13 MS 14 AXP 15 MTNA 5 4.739 5 2.181 5 4.366 16 ВАС 5 3.699 17 VOD 18 SHBASS 5 1.855 5 2.861 19 AIG 5 3.452 20 HCN 21 MS 22 GS 23 GE 24 GS 25 с 26 BAC 27 RABOBK 28 WFC 7 4.184 9.25 5.798 9.25 5.365 9.5 3.778 9.75 5.367 9.75 4.414 9.75 4.949 9.75 4.203 10 3.682 29 TOTAL 10 3.27 30 MTNA 31 LNC 32 FCX 33 NEM 10 6.046 10 4.163 10 4.03 10 3.866 34 PAA 10.25 3.856 35 HSBC 12 4.079 36 GS 37 C 38 GE 39 GE 25.5 6.913 25.75 8.204 26 5.13 26.75 5.138 40 T 41 ВАС 28.5 4.93 29.75 5.903
A sample of to maturity and yield for 40 corporate bonds taken
from Barron's is in the DATAfile named CorporateBonds.
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.
Transcribed Image Text:A sample of to maturity and yield for 40 corporate bonds taken from Barron's is in the DATAfile named CorporateBonds. 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.
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