The algebraic sum of deviations of observations from the arithmetic mean is: MCQ with Answer and Explanation
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Question #1
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Which graphical representation is most appropriate for displaying a cumulative frequency distribution?
Correct Answer: Option A
Explanation:
An ogive plots cumulative frequencies against class boundaries, providing a visual representation of cumulative distribution and enabling estimation of medians and percentiles.
An ogive plots cumulative frequencies against class boundaries, providing a visual representation of cumulative distribution and enabling estimation of medians and percentiles.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Standardized Death Rate allows comparison of mortality between Population X and Y by:
Correct Answer: Option C
Explanation:
Standardization removes age structure effects by calculating what each population's death rate would be if it had the same age distribution as a standard population, enabling fair comparison of underlying mortality risks.
Standardization removes age structure effects by calculating what each population's death rate would be if it had the same age distribution as a standard population, enabling fair comparison of underlying mortality risks.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which method is most suitable when the field of investigation is vast and informants are educated?
Correct Answer: Option B
Explanation:
Mailed questionnaire can reach a large geographic area at low cost, provided respondents are literate.
Mailed questionnaire can reach a large geographic area at low cost, provided respondents are literate.
This question belongs to:
Accountancy and Statistics
Statistics
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