(d) Draw boxplots of the three sectors to support the results obtained in part (c). Choose the correct graph below. O A. OB. C. Energy Utilities Utilities Utilities Energy Energy Financial Financial Financial 13 23 13 23 13 23 Rate of Returmn (%) Rate of Return (%) Rate of Return (%)
(d) Draw boxplots of the three sectors to support the results obtained in part (c). Choose the correct graph below. O A. OB. C. Energy Utilities Utilities Utilities Energy Energy Financial Financial Financial 13 23 13 23 13 23 Rate of Returmn (%) Rate of Return (%) Rate of Return (%)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
12/12 cont.
Transcribed Image Text:Question Help ▼
A stock analyst wondered whether the mean rate of return of financial, energy, and utility stocks differed over the past 5 years. He obtained a simple random sample of
eight companies from each of the three sectors and obtained the 5-year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d)
below.
一
E Click the icon to view the data table.
Determine the P-value and state the appropriate conclusion below.
Since the P-value is, there
enough evidence to reject the null hypothesis. Thus, we
ay
▼conclude that the mean rates of return are different at the
a = 0.05 level of significance.
(Round to three decimal places as needed.)
(i Rates of Return
(d) Draw boxplots of the three sectors to support the results obtained in part (c). Choose the correct graph
O A.
O B.
Financial
Energy
Utilities
Energy
Utilities
10.73
12.72
11.98
15.12
13.91
5.86
Utilities
Energy
17.01
6 43
13.67
Financial
Financial
5.07
11.23
9.82
19.50
18.79
3.95
Click to select your answer(s).
8.21
20.73
3.44
10.38
9.60
7.11
6.52
17.40
15.70
DUE AT 8:00 AM
Score: --
0 of 1 attenmpt
Transcribed Image Text:Question Help ▼
A stock analyst wondered whether the mean rate of return of financial, energy, and utility stocks differed over the past 5 years. He obtained a simple random sample of
eight companies from each of the three sectors and obtained the 5-year rates of return shown in the accompanying table (in percent). Complete parts (a) through (d)
below.
: Click the icon to view the data table.
(Round to three decimal places as needed.)
(d) Draw boxplots of the three sectors to support the results obtained in part (c). Choose the correct graph below.
O A.
О В.
C.
Energy
Utilities
Utilities
Utilities
Energy
Energy
Financial
Financial
Financial
13
23
13
Rate of Return (%)
23
3
Rate of Return (%)
23
3
13
Rate of Retum (%)
Click to select your answer(s).
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman