The weights used in the construction of the Wholesale Price Index (WPI) in India are based on: MCQ with Answer and Explanation
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Question #1
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A property of the arithmetic mean is that the sum of squared deviations from the mean is:
Correct Answer: Option C
Explanation:
The arithmetic mean minimizes the sum of squared deviations (Σ(x - x̄)²), a key property underlying least squares estimation in regression and ANOVA.
The arithmetic mean minimizes the sum of squared deviations (Σ(x - x̄)²), a key property underlying least squares estimation in regression and ANOVA.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Which of the following is a principle of good questionnaire design?
Correct Answer: Option C
Explanation:
Logical flow helps respondents understand and answer accurately.
Logical flow helps respondents understand and answer accurately.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Vital statistics primarily deal with demographic events such as:
Correct Answer: Option B
Explanation:
Vital statistics are data relating to life events, primarily births, deaths, marriages, and divorces in a population.
Vital statistics are data relating to life events, primarily births, deaths, marriages, and divorces in a population.
This question belongs to:
Accountancy and Statistics
Statistics
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