Concept explainers
To Find: Whether the statement of the friend is correct.
Answer to Problem 5CA
The statement of the friend is incorrect as the
Given:
The friend claims the line of the best fit for the data shown in the
The given diagram is shown in Figure
Figure 1
Calculation:
Since, the value of the correlation coefficient has range from
For positive value of coefficient increases with the other and for negative coefficient the value of one of the variable decreases when the other increases.
Thus, the statement of the friend is incorrect as the correlation coefficient of the graph is
Explanation of Solution
Given:
The friend claims the line of the best fit for the data shown in the scatter plot has
The given diagram is shown in Figure
Figure 1
Calculation:
Since, the value of the correlation coefficient has range from
For positive value of coefficient increases with the other and for negative coefficient the value of one of the variable decreases when the other increases.
Thus, the statement of the friend is incorrect as the correlation coefficient of the graph is
Chapter 7 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education