A student's marks in three subjects with weights 3, 2, 1 are 80, 90, 70 respectively. The weighted mean is: MCQ with Answer and Explanation
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Question #1
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Base shifting of an index number series is done to:
Correct Answer: Option B
Explanation:
Base shifting allows comparison of index series by changing the reference period to a more relevant year.
Base shifting allows comparison of index series by changing the reference period to a more relevant year.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Consumer Price Index (CPI) measures changes in:
Correct Answer: Option A
Explanation:
CPI tracks the average change over time in the prices paid by consumers for a market basket of goods and services.
CPI tracks the average change over time in the prices paid by consumers for a market basket of goods and services.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Vital registration systems are most effective when they are:
Correct Answer: Option C
Explanation:
Effective vital registration requires legal mandate for reporting all births/deaths, nationwide coverage, and ongoing operation to provide complete, timely data for demographic analysis and policy.
Effective vital registration requires legal mandate for reporting all births/deaths, nationwide coverage, and ongoing operation to provide complete, timely data for demographic analysis and policy.
This question belongs to:
Accountancy and Statistics
Statistics
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