Life expectancy at birth is a summary measure of: MCQ with Answer and Explanation
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Question #1
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Which of the following pairs of events are independent?
Correct Answer: Option C
Explanation:
Coin tosses are independent. In A, without replacement, not independent. In B, outcome of first affects probability of sum. In D, P(B|A) >0 but P(B|A')=0, so not independent.
Coin tosses are independent. In A, without replacement, not independent. In B, outcome of first affects probability of sum. In D, P(B|A) >0 but P(B|A')=0, so not independent.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Laspeyres index formula is:
Correct Answer: Option B
Explanation:
Laspeyres uses base quantities as weights.
Laspeyres uses base quantities as weights.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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For a symmetric distribution, which statement is correct?
Correct Answer: Option B
Explanation:
In a perfectly symmetric distribution, all three central measures coincide.
In a perfectly symmetric distribution, all three central measures coincide.
This question belongs to:
Accountancy and Statistics
Statistics
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