
Concept explainers
(a)
To find: The reason why the graph is misleading.
(a)

Answer to Problem 23PPS
The graph is misleading as it used two dimensional measures instead of only one to illustrate the number of participant.
Explanation of Solution
Given:
The given graph is shown in Figure 1
Figure 1
Calculation:
The graph is misleading as it used two dimensional measures instead of only one to illustrate the number of participant.
The ratio of the two dimensional measure is the square of the corresponding ratio of the one dimensional measure. When the diameter of one of the circle is double then the other. Then the area of the circle is quadruple of the other.
(b)
To find: The way in which the graph can be changed more accurately that represent the growth in the high school tennis participation.
(b)

Answer to Problem 23PPS
The graph can be changed more accurately by the use of on dimensional measure and by the use of histogram.
Explanation of Solution
Calculation:
The number of participant are one dimensional measure this is because there is no unit squares. As one should use a single dimensional measure to determine the number of participants. One of the best practice is histogram as the numbers are represented by the rectangles with the fixed base and the height is represented by the rectangles that represent the corresponding number of the participants.
Chapter 11 Solutions
Glencoe Geometry Student Edition C2014
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