The sum of squares of deviations from the mean is: MCQ with Answer and Explanation

The sum of squares of deviations from the mean is:
A. Equal to the variance
B. Zero
C. Minimum
D. Maximum
Answer: Option C
Solution (By JKExamLibrary)
The sum of squared deviations from the mean is minimum; from any other point it would be larger.

This question belongs to: Accountancy and Statistics Statistics

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Which measure of central tendency is most suitable for qualitative ordinal data like intelligence rankings?
A. Geometric mean
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Correct Answer: Option B


Explanation:
Ordinal data can be ranked; the median is the appropriate measure as it does not require numerical differences.

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Which of the following is a source of secondary data?
A. Unpublished thesis records
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Correct Answer: Option A


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Correct Answer: Option A


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