Explanation:
The visual design elements like color schemes in reports do not affect data validity; critical evaluation focuses on source credibility, methodology, relevance, and timeliness.
Consider the following statements about ogive: 1. It is a graph of cumulative frequency. 2. The median can be located from the point where cumulative frequency is N/2. 3. Ogive can be used to estimate mode. Which of the above is/are correct?
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