In a mailed questionnaire method, the major disadvantage is: MCQ with Answer and Explanation
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Question #1
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For a dataset of 10 numbers, Σx = 500 and Σx² = 26000. The coefficient of variation (%) is:
Correct Answer: Option A
Explanation:
Mean=50. Variance = (26000/10) - 50² = 2600-2500=100. SD=10. CV = (10/50)×100 = 20%.
Mean=50. Variance = (26000/10) - 50² = 2600-2500=100. SD=10. CV = (10/50)×100 = 20%.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The process of arranging data into groups on the basis of common characteristics is called:
Correct Answer: Option A
Explanation:
Classification groups homogeneous data into categories based on similarities.
Classification groups homogeneous data into categories based on similarities.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In the theory of attributes, the class frequency (Aβ) represents:
Correct Answer: Option A
Explanation:
β indicates absence of B; (Aβ) = items with A and without B.
β indicates absence of B; (Aβ) = items with A and without B.
This question belongs to:
Accountancy and Statistics
Statistics
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