Mathematics · Statistics
Consider the following statements: I. Arithmetic mean cannot be calculated if any extreme class is open-ended. II. Mean deviation about mean is always less than standard deviation. III. Quartiles are suitable for further algebraic treatment. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I and III only
- 2II and III only
- 3I and II only✓
- 4I, II and III
Correct answer
I and II only
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