Compare and contrast the 3 graphs shown at the right. Collection 1 Optone a) How are the graphs similar? How are they different? What is the most distinctive feature that 10 - distinguishes these three graphs from each other? 0- 50 55 60 65 70 75 80 Exam Scores Set D 85 90 95 100 Orcle lcon Collection 1 Optons b) Thinking about center: The average exam score is the same for each set of data (D, E and F). What do you think the average 10 0- is? 50 55 60 65 70 75 80 85 90 95 100 Exam Scores Set E c) Thinking about spread: Spread is a description of the variability we see in the data. For exam set D the scores vary from a low of of Crcle loon Collection 1 Options 10- to a high 0-0 50 55 60 65 70 75 80 85 90 95 100 For exam set E the scores vary from a low of . of Exam Scores_Set_F to a high Orce on For exam set F the scores vary from a low of, to a high of. d) Which of the statements below, if any, is a reasonable explanation for the differences in the graphs? Why? • The graphs represent a single class after the teacher adjusted the grades. The teacher realized that some of the exam questions were not well written, so she adjusted the grades by adding points to the original exam scores. • The graphs represent 3 different classes with teachers that have different grading standards. One is an easy grader. One is a really hard grader. The differences could be explained by whether the teachers allowed the students to work together on the exam and how much time the students were given to finish the exam.
Compare and contrast the 3 graphs shown at the right. Collection 1 Optone a) How are the graphs similar? How are they different? What is the most distinctive feature that 10 - distinguishes these three graphs from each other? 0- 50 55 60 65 70 75 80 Exam Scores Set D 85 90 95 100 Orcle lcon Collection 1 Optons b) Thinking about center: The average exam score is the same for each set of data (D, E and F). What do you think the average 10 0- is? 50 55 60 65 70 75 80 85 90 95 100 Exam Scores Set E c) Thinking about spread: Spread is a description of the variability we see in the data. For exam set D the scores vary from a low of of Crcle loon Collection 1 Options 10- to a high 0-0 50 55 60 65 70 75 80 85 90 95 100 For exam set E the scores vary from a low of . of Exam Scores_Set_F to a high Orce on For exam set F the scores vary from a low of, to a high of. d) Which of the statements below, if any, is a reasonable explanation for the differences in the graphs? Why? • The graphs represent a single class after the teacher adjusted the grades. The teacher realized that some of the exam questions were not well written, so she adjusted the grades by adding points to the original exam scores. • The graphs represent 3 different classes with teachers that have different grading standards. One is an easy grader. One is a really hard grader. The differences could be explained by whether the teachers allowed the students to work together on the exam and how much time the students were given to finish the exam.
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
Transcribed Image Text:Compare and contrast the 3 graphs shown at the right.
Collection 1
Optone
a) How are the graphs similar? How
are they different? What is the
most distinctive feature that
10 -
distinguishes these three graphs
from each other?
0-
50 55 60
65 70 75
80
Exam Scores Set D
85
90
95 100
Orcle lcon
Collection 1
Optons
b) Thinking about center: The
average exam score is the same
for each set of data (D, E and F).
What do you think the average
10
0-
is?
50 55
60
65
70
75 80
85 90
95 100
Exam Scores Set E
c) Thinking about spread: Spread is
a description of the variability
we see in the data.
For exam set D the scores vary
from a low of
of
Crcle loon
Collection 1
Options
10-
to a high
0-0
50 55
60
65
70
75 80
85
90
95 100
For exam set E the scores vary
from a low of .
of
Exam Scores_Set_F
to a high
Orce on
For exam set F the scores vary from a low of,
to a high of.
d) Which of the statements below, if any, is a reasonable explanation for the differences
in the graphs? Why?
• The graphs represent a single class after the teacher adjusted the grades. The
teacher realized that some of the exam questions were not well written, so she
adjusted the grades by adding points to the original exam scores.
• The graphs represent 3 different classes with teachers that have different
grading standards. One is an easy grader. One is a really hard grader.
The differences could be explained by whether the teachers allowed the students
to work together on the exam and how much time the students were given to
finish the exam.
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 4 steps
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