The wholesale price index in India is a: MCQ with Answer and Explanation
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Question #1
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An ogive is a graph of:
Correct Answer: Option B
Explanation:
A 'less than' ogive plots cumulative frequency against the upper class boundaries.
A 'less than' ogive plots cumulative frequency against the upper class boundaries.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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A random variable X takes values 0,1,2 with probabilities 0.3,0.5,0.2. The expected value E(X) is:
Correct Answer: Option C
Explanation:
E(X) = 0×0.3 + 1×0.5 + 2×0.2 = 0 + 0.5 + 0.4 = 0.9.
E(X) = 0×0.3 + 1×0.5 + 2×0.2 = 0 + 0.5 + 0.4 = 0.9.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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A demographer wants to study the mortality of infants specifically related to birth trauma or congenital issues. Which rate is best?
Correct Answer: Option D
Explanation:
Neonatal deaths (first 28 days) are heavily driven by endogenous factors like birth defects and birth trauma.
Neonatal deaths (first 28 days) are heavily driven by endogenous factors like birth defects and birth trauma.
This question belongs to:
Accountancy and Statistics
Statistics
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