A box has 4 red, 3 blue, and 3 green balls. If two balls are drawn with replacement, the probability both are red is: MCQ with Answer and Explanation
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Question #1
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Classification of data by attributes such as religion or literacy is called:
Correct Answer: Option C
Explanation:
Qualitative classification groups data based on non-numerical characteristics (attributes), enabling analysis of categorical variables like religion, literacy, or occupation.
Qualitative classification groups data based on non-numerical characteristics (attributes), enabling analysis of categorical variables like religion, literacy, or occupation.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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For a moderately asymmetrical distribution, the empirical relationship between Mean, Median, and Mode is:
Correct Answer: Option C
Explanation:
Karl Pearson's empirical relationship holds for moderately skewed distributions: Mode = 3(Median) - 2(Mean).
Karl Pearson's empirical relationship holds for moderately skewed distributions: Mode = 3(Median) - 2(Mean).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Conditional probability P(A|B) is defined as:
Correct Answer: Option B
Explanation:
P(A|B) = P(A∩B) / P(B), provided P(B) > 0.
P(A|B) = P(A∩B) / P(B), provided P(B) > 0.
This question belongs to:
Accountancy and Statistics
Statistics
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