Frequency density of a class interval is the ratio of

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Option d: Frequency of that class interval to the corresponding class length.. Solution: Frequency density is a crucial metric used when constructing histograms for distributions with unequal class intervals. It measures the concentration of frequency per unit length of the class interval. Mathematically, the frequency density of a class interval is defined as the ratio of the frequency of that class interval to the corresponding class width (or class length): text{Frequency Density} = frac{text{Class Frequency}}{text{Class Length}} Where: - Class Frequency is the number of observations falling within the class. - Class Length (or class width) is the difference between the upper and lower class boundaries of that class. This ensures that the area of the rectangles in a histogram represents the frequencies accurately when the class widths vary. This definition matches Option D. Hence, Option D is the correct answer.

Frequency density of a class interval is the ratio of

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