The sum of absolute deviations is minimized by: MCQ with Answer and Explanation
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Question #1
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For a normal distribution, the relationship between Quartile Deviation (QD), Mean Deviation (MD), and Standard Deviation (SD) is roughly:
Correct Answer: Option C
Explanation:
In a perfectly normal distribution, QD is about 2/3 of SD, and MD is about 4/5 of SD, yielding the 4:5:6 ratio.
In a perfectly normal distribution, QD is about 2/3 of SD, and MD is about 4/5 of SD, yielding the 4:5:6 ratio.
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Accountancy and Statistics
Statistics
Question #2
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A cumulative frequency distribution shows the number of observations:
Correct Answer: Option A
Explanation:
Cumulative frequencies sum frequencies up to a certain point (less than type) or from a point (more than type).
Cumulative frequencies sum frequencies up to a certain point (less than type) or from a point (more than type).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Data on attributes is said to be consistent if:
Correct Answer: Option B
Explanation:
Consistency requires that all derived class frequencies (including ultimate classes) are non-negative, as negative counts are logically impossible in real-world data.
Consistency requires that all derived class frequencies (including ultimate classes) are non-negative, as negative counts are logically impossible in real-world data.
This question belongs to:
Accountancy and Statistics
Statistics
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