Width of Bars Statement

Width of bars in a bar diagram need not be equal. This statement is:

Correct Answer Explanation

The statement is True. Width of bars in a bar diagram need not be equal because the width is arbitrary and unimportant.

Key Points:

• In bar diagrams, it is the height that represents data, not width.
• However, in practice, bars are usually drawn with equal widths for aesthetics.
• A single vertical line could serve the same purpose as a bar.
• In contrast, width in a histogram is important as it represents class intervals.

Why Other Options Are Wrong

• B. False: The statement is correct — width need not be equal in bar diagrams.
• C. Partially true: It is fully true as width is irrelevant in bar diagrams.
• D. Cannot be determined: This is a definite fact in statistics.