Which question type is MOST appropriate for collecting sensitive information like income in a survey? MCQ with Answer and Explanation
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Question #1
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In a frequency polygon, the points plotted are:
Correct Answer: Option D
Explanation:
A frequency polygon connects the midpoints of histogram bars at their respective frequencies.
A frequency polygon connects the midpoints of histogram bars at their respective frequencies.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If Net Reproduction Rate (NRR) = 1.2, it means:
Correct Answer: Option B
Explanation:
NRR > 1 indicates the next generation is larger by 20%, leading to population growth.
NRR > 1 indicates the next generation is larger by 20%, leading to population growth.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If P(A)=0.4, P(B)=0.3, and A, B are mutually exclusive, then P(A∪B) is:
Correct Answer: Option D
Explanation:
P(A∪B) = P(A)+P(B) = 0.4+0.3=0.7.
P(A∪B) = P(A)+P(B) = 0.4+0.3=0.7.
This question belongs to:
Accountancy and Statistics
Statistics
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