Concept explainers
(a)
To find: whether the plot shows a positive or negative association between the variables
(a)
Answer to Problem 4E
The plot shows a negative association between the two variables.
Explanation of Solution
Given:
The figure below shows a
The plot shows a negative association between the two variables.
(b)
To find:the form of the relationship and explain whether it is very strong.
(b)
Answer to Problem 4E
The form of the relationship is linear. The relationship is moderately strong
Explanation of Solution
The form of the relationship is linear. That is, the overall pattern follows a straight line from upper left to lower right. The relationship is moderately strong because the points don’t deviate greatly from line. There are no obvious outliers.
(c)
To explain:the point at the bottom right of the plot
(c)
Answer to Problem 4E
The point
Explanation of Solution
In Figure point
Chapter 3 Solutions
The Practice of Statistics for AP - 4th Edition
Additional Math Textbook Solutions
Statistics: The Art and Science of Learning from Data (4th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
Introductory Statistics (10th Edition)
Fundamentals of Statistics (5th Edition)
Statistics for Psychology
Elementary Statistics (13th Edition)
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