Which measure of central tendency minimizes the sum of absolute deviations? MCQ with Answer and Explanation
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Question #1
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If P(A) = 0.2 and P(B) = 0.3, and A, B are mutually exclusive, P(A∪B) is:
Correct Answer: Option A
Explanation:
For mutually exclusive events, P(A∪B) = P(A) + P(B) = 0.5.
For mutually exclusive events, P(A∪B) = P(A) + P(B) = 0.5.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Vital statistics mainly record:
Correct Answer: Option C
Explanation:
Vital events include births, deaths, marriages, divorces.
Vital events include births, deaths, marriages, divorces.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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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:
Correct Answer: Option D
Explanation:
Q is Yule's coefficient of association, also called coefficient of colligation.
Q is Yule's coefficient of association, also called coefficient of colligation.
This question belongs to:
Accountancy and Statistics
Statistics
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