Direct standardization is preferred over indirect when: MCQ with Answer and Explanation
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Question #1
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Which data collection method has the lowest response rate generally?
Correct Answer: Option D
Explanation:
Mailed questionnaires suffer from high non-response as respondents often ignore or forget to return them.
Mailed questionnaires suffer from high non-response as respondents often ignore or forget to return them.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Assertion (A): If A and B are independent events, then A' and B' are also independent. Reason (R): P(A'∩B') = P(A')P(B') when A and B are independent. Choose the correct option:
Correct Answer: Option C
Explanation:
If A and B are independent, then their complements are independent. The formula P(A'∩B') = (1-P(A))(1-P(B)) holds, so R is true and explains A.
If A and B are independent, then their complements are independent. The formula P(A'∩B') = (1-P(A))(1-P(B)) holds, so R is true and explains A.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The ‘footnote’ of a statistical table is used to:
Correct Answer: Option D
Explanation:
Footnotes clarify specific cells or data points; the source is typically given separately, and the title is at the top.
Footnotes clarify specific cells or data points; the source is typically given separately, and the title is at the top.
This question belongs to:
Accountancy and Statistics
Statistics
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