Yule's coefficient of association Q is defined as (ad - bc)/(ad + bc), where ad = (AB)×(αβ) and bc = (Aβ)×(αB). This coefficient is also known as: MCQ with Answer and Explanation
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Question #1
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If the mean of a data set is 50 and the coefficient of variation is 20%, the standard deviation is:
Correct Answer: Option B
Explanation:
CV = (SD/mean)×100 ⇒ 20 = (SD/50)×100 ⇒ SD = 10.
CV = (SD/mean)×100 ⇒ 20 = (SD/50)×100 ⇒ SD = 10.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The schedule is preferred when:
Correct Answer: Option C
Explanation:
Enumerators can explain and record answers, ensuring good quality data from illiterate respondents.
Enumerators can explain and record answers, ensuring good quality data from illiterate respondents.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In questionnaire design, a 'double-barreled question' is problematic because it:
Correct Answer: Option D
Explanation:
Double-barreled questions (e.g., 'Do you find the product affordable and high-quality?') conflate two attributes, making responses ambiguous and uninterpretable for either dimension.
Double-barreled questions (e.g., 'Do you find the product affordable and high-quality?') conflate two attributes, making responses ambiguous and uninterpretable for either dimension.
This question belongs to:
Accountancy and Statistics
Statistics
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