Is there a difference in the yields of different types of investments? The accompanying data provide yields for a one-year certificate of deposit (CD) and a five-year CD for 25 banks. Complete parts a through c below. Click the icon to view the yields for one-year CDs and five-year CDs. a. Construct a 99% confidence interval estimate for the mean yield of one-year CDs. sμs (Type integers or decimals rounded to two decimal places as needed.) b. Construct a 99% confidence interval estimate for the mean yield of five-year CDs. sμs (Type integers or decimals rounded to two decimal places as needed.) c. Compare the results of (a) and (b). Choose the correct answer below. O A. One can be 99% confident that the mean yield of one-year CDs is greater than the mean yield of five-year CDs. OB. One can be 99% confident that the mean yield of one-year CDs is the same as the mean yield of five-year CDs. OC. One can be 99% confident that the mean yield of one-year CDs is less than the mean yield of five-year CDs. OD. The mean yield of five-year CDs is greater than the mean yield of one-year CDs. Yields for One-Year CDs and Five-Year CDs Bank 1 2 3 4 5 6 7 8 901234567819202122232425 One-Year CD 0.60 0.70 0.95 0.25 0.40 0.20 0.65 1.95 0.70 0.55 0.45 0.40 0.30 0.60 1.65 1.10 1.60 2.25 1.05 1.00 0.60 0.50 0.35 1.25 1.95 D Five-Year CD 4.85 4.85 5.10 3.20 4.10 3.85 3.85 4.45 4.75 4.10 4.40 3.45 4.35 5.10 4.15 4.35 5.00 4.55 4.95 4.45 4.50 3.90 3.50 4.55 4.05 X
Is there a difference in the yields of different types of investments? The accompanying data provide yields for a one-year certificate of deposit (CD) and a five-year CD for 25 banks. Complete parts a through c below. Click the icon to view the yields for one-year CDs and five-year CDs. a. Construct a 99% confidence interval estimate for the mean yield of one-year CDs. sμs (Type integers or decimals rounded to two decimal places as needed.) b. Construct a 99% confidence interval estimate for the mean yield of five-year CDs. sμs (Type integers or decimals rounded to two decimal places as needed.) c. Compare the results of (a) and (b). Choose the correct answer below. O A. One can be 99% confident that the mean yield of one-year CDs is greater than the mean yield of five-year CDs. OB. One can be 99% confident that the mean yield of one-year CDs is the same as the mean yield of five-year CDs. OC. One can be 99% confident that the mean yield of one-year CDs is less than the mean yield of five-year CDs. OD. The mean yield of five-year CDs is greater than the mean yield of one-year CDs. Yields for One-Year CDs and Five-Year CDs Bank 1 2 3 4 5 6 7 8 901234567819202122232425 One-Year CD 0.60 0.70 0.95 0.25 0.40 0.20 0.65 1.95 0.70 0.55 0.45 0.40 0.30 0.60 1.65 1.10 1.60 2.25 1.05 1.00 0.60 0.50 0.35 1.25 1.95 D Five-Year CD 4.85 4.85 5.10 3.20 4.10 3.85 3.85 4.45 4.75 4.10 4.40 3.45 4.35 5.10 4.15 4.35 5.00 4.55 4.95 4.45 4.50 3.90 3.50 4.55 4.05 X
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:Is there a difference in the yields of different types of investments? The accompanying data provide yields for a one-year certificate of deposit (CD) and a five-year CD for 25 banks. Complete parts a through c below.
Click the icon to view the yields for one-year CDs and five-year CDs.
a. Construct a 99% confidence interval estimate for the mean yield of one-year CDs.
sus (Type integers or decimals rounded to two decimal places as needed.)
b. Construct a 99% confidence interval estimate for the mean yield of five-year CDs.
sus
(Type integers or decimals rounded to two decimal places as needed.)
c. Compare the results of (a) and (b).
Choose the correct answer below.
OO
A. One can be 99% confident that the mean yield of one-year CDs is greater than the mean yield of five-year CDs.
B. One can be 99% confident that the mean yield of one-year CDs is the same as the mean yield of five-year CDs.
C. One can be 99% confident that the mean yield of one-year CDs is less than the mean yield of five-year CDs.
D. The mean yield of five-year CDs is greater than the mean yield of one-year CDs.
Yields for One-Year CDs and Five-Year CDs
Bank
1
PARTENERIF
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
One-Year CD
0.60
0.70
0.95
0.25
0.40
0.20
0.65
1.95
0.70
0.55
0.45
0.40
0.30
0.60
1.65
1.10
1.60
2.25
1.05
1.00
0.60
0.50
0.35
1.25
1.95
Five-Year CD
4.85
4.85
5.10
3.20
4.10
3.85
3.85
4.45
4.75
4.10
4.40
3.45
4.35
5.10
4.15
4.35
5.00
4.55
4.95
4.45
4.50
3.90
3.50
4.55
4.05
X
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