Concept explainers
(a)
To describe: about the graph.
(a)
Answer to Problem 8E
It is observed that Maryland has about
Explanation of Solution
Given:
Calculation:
It is supposed to describe the highlighted point in the given percentile graph.
Procedure
Step1: Draw a horizontal line from the highlighted point on the vertical axis.
Step2: Draw a vertical line from this point to the horizontal axis.
Step3: The line intersects the vertical axis at approximately 70 and horizontal axisat approximately 13
The following graph shows the above procedure.
From the above graph, it is observed that Maryland has about
Conclusion:
Therefore, Maryland has about
(b)
To estimate: the
(b)
Answer to Problem 8E
The
Explanation of Solution
Given:
Calculation:
It is supposed to estimate the
Procedure
Step1: Draw a horizontal line from the value 30 on the vertical axis and determine the point onthe ogive where the line intersects the ogive
Step2: Draw a vertical line from this point to the horizontal axis
Step3: The line intersects the axis at approximately 4.5
The following graph shows the above procedure:
The
Conclusion:
Therefore, the
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
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