When the class intervals have equal width, the height of a rectangle in a histogram represents
- A. Width of the class
- B. Lower class limit
- C. Upper class limit
- D. Frequency of the class ✓
Correct Answer: D. Frequency of the class
Explanation
In a histogram with equal class intervals, the area of each rectangle is proportional to its frequency, making the height directly proportional to the frequency of the class.
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