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A ______ is a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies?

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A ______ is a representation of a frequency distribution by means of rectangles whose widths represent class intervals and whose areas are proportional to the corresponding frequencies? Answer: Histogram

A histogram is a type of graph used to represent frequency distributions. • Each rectangle (bar) represents a class interval. • The height (or area) of the bar corresponds to the frequency of data in that interval. • Unlike bar graphs, histograms have no gaps between bars since the data is continuous.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.