Concept explainers
a.
To graph: The ordered pairs as scattered plot.
a.
Explanation of Solution
Given:
The table shows the test scores and final exam scores for six students.
Graph:
Graphing the ordered pairs as (class test, final exam) as a scattered plot, we get,
b.
To identify: The
b.
Answer to Problem 1CYU
The
Explanation of Solution
Given:
The scattered plot is given above.
Calculation:
From the
Conclusion:
So, it can conclude that the correlation is positive.
c.
To identify: The relationship is causation or not.
c.
Answer to Problem 1CYU
The relationship with causation.
Explanation of Solution
Given:
The correlation is positive in the scattered plot.
Calculation:
From the scatter plot, it can see that the correlation is positive, also final exams are conducted after the class test. So, a student who has scored well in class test has eventually scored well in the final exam also.
Conclusion:
Thus,it can conclude that the relationship is causation.
Chapter 4 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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