PRC-2 · Chapter 7 · Question 60 of 60
In a histogram featuring unequal class widths, what metric must govern the physical height of the rectangular bars to prevent visual distortion?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) Frequency density
Explanation
When class intervals are not uniform, plotting raw frequency heavily distorts the visual area. To accurately represent the data, the height of the bars must represent the frequency density (Frequency / Class Width).
More Data - Collection and Representation MCQs
- Q2When constructing a grouped frequency distribution, what is the mathematical difference between the upper class boundary and the lower…
- Q3In statistics, how is the 'relative frequency' of a specific class calculated?
- Q4Which of the following graphical representations is specifically constructed by plotting cumulative frequencies?
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- Q6In a stem-and-leaf display, the 'stem' typically represents which part of the numerical data?