Solve the Problem The Class 60-69 Has Twice the Frequency of the Class

question 22

Essay

Solve the problem.
-Suppose that a histogram is constructed for the frequency distribution shown below: $$\begin{array} { c | c } \text { Age } & \text { Frequency } \\\hline 30 - 39 & 11 \\40 - 49 & 23 \\50 - 59 & 17 \\60 - 69 & 12 \\70 - 89 & 6\end{array}$$ The class 60-69 has twice the frequency of the class 70-89. In the histogram, will the area of the bar for the class 60-69 be twice the area of the bar for the class 70-89? In other words, will areas be proportional to frequencies in this histogram? Explain your thinking. Are there any conditions under which areas are proportional to frequencies in histograms?

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Definitions:

Composition

In object-oriented programming, composition is a design principle where a class references one or more objects of other classes in instance variables, thus representing a "has-a" relationship.

"Has-a" Relationship

In object-oriented programming, it indicates that an object of one class contains or encapsulates objects of another class.

SetDimension

A method typically used in graphics programming to specify the dimensions (width and height) of an object.

Class Box

A custom data structure or object defined in programming that can encapsulate variables and methods.