Two events A and B are called complementary if: MCQ with Answer and Explanation
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Question #1
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For a dataset with an outlier, the median is preferred over the mean because the median is:
Correct Answer: Option D
Explanation:
The median depends only on the middle observation(s) in ordered data, making it robust to outliers that can disproportionately influence the mean's value.
The median depends only on the middle observation(s) in ordered data, making it robust to outliers that can disproportionately influence the mean's value.
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Accountancy and Statistics
Statistics
Question #2
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If the arithmetic mean of a sample is 20 and median is 22, the distribution is likely:
Correct Answer: Option A
Explanation:
Mean < Median suggests negative skewness (left-skewed).
Mean < Median suggests negative skewness (left-skewed).
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The starting population of a life table is known as the:
Correct Answer: Option A
Explanation:
The radix is the assumed initial birth cohort (usually 100,000) for which the life table functions are computed.
The radix is the assumed initial birth cohort (usually 100,000) for which the life table functions are computed.
This question belongs to:
Accountancy and Statistics
Statistics
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