Concept explainers
(a)
To find: whether the given data support the claim or not
(a)
Answer to Problem 93E
The claim of the article about texting versus calling is not supported
Explanation of Solution
Given:
From the box-plot of difference in the number of text and calls for each student is shown we can say that the claim of the article about texting versus calling is not supported because as per the box-plot the minimum value of difference is negative i.e. these people call more then they text. Also there is a tendency of texting more than calling but it is not as severe as claimed by the study. There are few outliers who text more than calling.
(b)
To explain:the conclusion about the preferences of all students
(b)
Answer to Problem 93E
We cannot make a conclusion
Explanation of Solution
Given:
A conclusion about the preference of the all students cannot be made as there are many students who call more than text but many of them text more than calling. Thus the data shows the mixed results. There is a tendency among students to text more then call but this tendency is not as severe as shown by the study leaving the few outliers.
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Introductory Statistics (10th Edition)
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
Elementary Statistics: Picturing the World (6th Edition)
Elementary Statistics (13th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
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